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The present study is a descriptive one made for the purpose of quality assessment of family planning counseling in health and treatment centers affiliated to Tehran University of Medical Sciences in year 2000. 410 client of the Family Planning Social Services who had attended 25 health and treatment centers affiliated to Tehran University of Medical Sciences were participated in this research study. A checklist was completed through the observation of family planning counseling sessions. The finding and results of this study showed that personnel&aposs behaviour and the quality of family planning counseling for the majority of samples in the first section have been suitable. In the section of the history taking from clients helping them to select suitable method and to determine next appointment, data for the majority of samples in this study have been in an average level. In the section of need understanding of clients introductory methods providing information the audiovisual training equipments used during family planning counseling, explanation of way of utilizing the selected method, and finally the environment for family planning counseling have not been suitable for majority of the samples. The findings of this study can be beneficial for public health planning in order to improve the quality of the family planning services.

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Introduction: According to WHO, prolonged labour is one of the most important causes of maternal and newborn mortality. This study was carried out to assess the impact of education of partogramm on quality of midwifery’s care.

Materials and Methods: This survey was a quasi experimental study with one group pretest-posttest design which was carried out in some of governmental hospitals in Tehran in 2002. Subjects were 53 midwives who were working in different hospitals. The data was collected with an special questionnaire, WHO’s partogramm, and a check list to assess quality of midwifery care in labour. Result were analyzed with SPSS software.

Results: The findings showed that after education of partogramm a statistically significant improvement occurred in recording of twelve of fifteen variables including fetal heart rate, condition of amniotic fluid, vaginal bleeding, vital signs of mother, urine examination, drugs and fluid use, correct plotting of cervical dilatation, correct movement of dilatation graph to alert line, number of vaginal exams, recording time of rupture of membranes and time of amniotomy (p<0.0001).

Conclusion: The findings of this study indicate education of partogramm has a positive effect an quality of midwifery’s care and emphasis important of its education to midwifery’s students

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Background & Aim: Improving the quality of life is generally one of the main goals in caring of the patients with congestive heart failure, so identifying factors affecting it is significantly important. This study was conducted to determining the quality of life of these patients.

Methods & Materials: 184 of patients congestive heart failure who referred to clinics of Tehran University of Medical Sciences were chosen by goal-based sampling method. Data collection was done by questionnaire, which was consisted of 4 parts: individual factors, factors related to disease, patient knowledge and quality of life. Data analysis was done by SPSS computerized software.

Results: Most of the researching samples in fallowing dimensions had undesirable quality of life: physical activity dimension (44.6%), Psychological dimension (47.3%), Economical/Social dimension (49.5%), total Quality of life (46.7%) and had fairly desirable quality of life in general health dimension (42.4%). There is a significant statistical relationship between quality of life and these variables: job, Education level, care giver, the intensity of illness, duration of illness period, number of refers to physician and hospitalization, duration of combination of hypertension with CHF, presence of edema, high cholesterol, characteristics of disease, the intensity of fatigue at the time of research and in last 1 month ago (p=0.000) and the kinds of using drugs (p=0.039), but there is not a significant statistical relationship between quality of life and these variable: age, gender, Marriage status, Number of people living together, Having therapeutic insurance, Smoking, Body Mass Index: BMI presence of Myocardial Infarction or other diseases and patient knowledge.

Conclusion: Congestive heart failure has a negative affect on quality of life. So assessing the quality of life and promoting it is viewed as one of the duties of nurses and also as one of the major caring goals.

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Background & Aim: Sleep is an important physiological process that has deep effects on psychological and physical health. This study carried out to investigate the association between quality of sleep and health-related quality of life in nurses.

Methods & Materials: In this cross sectional and descriptive-analytic study, 127 nurses in Imam Hossein Hospital of Shahroud, Iran, during February and March 2006 were chosen enumeration and then their sleep quality and their quality of life in eight dimensions were measured with using Pittsburgh sleep quality index (PSQI) and 12-item short form health survey (SF-12) questionnaire and were compared. The data were analyzed using SPSS 11.5 software.

Results: Upon to the results of this study, 25.2%, 70.9% and 3.9% of cases were working on morning shift, circulator shift and afternoon/night shifts respectively. Mean of time that they spend in bed were estimated 30.2 minute and 2.1% of subjects declare they get to sleep more than 30 minutes after going to bed. Mean of gotten up time in the morning in was at 6 and 58% of them described that they wakeup 1 hour earlier to anticipation time. According to the results, 35.5% of subjects have taken medicine (prescribed or "over the counter") to help them sleep. Spearman correlation coefficient test revealed a significant correlation (p<0.05) between the mean of Sleep Quality score and the mean of quality of life score in all dimensions in subjects.

Conclusion: According to the results, quality of sleep is poor in majority of nurses and significantly has decreased their quality of life in different aspects, especially in general health, mental health and physical pain.

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Background & Aim: Today, quality of life measurement is important in health care systems especially for patients with chronic diseases. Heart failure has several complications that affect patients&apos lives. The aim of this study was to investigate the quality of life and its dimensions in patients with heart failure.

Methods & Materials: It is a cross-sectional study. Two hundred and fifty patients with heart failure referred to Tehran medical centers were selected using convenience random sampling method. Data were collected using "Ferrans and Powers quality of life Index". Data were analyzed using descriptive statistics, chi-square, and Pearson correlation coefficients.

Results: The study findings showed that 76/4% of the participants possessed undesirable and less desirable levels of quality of life. There was significant statistical relationship between quality of life with age, gender, education, marriage status, ejection fraction, length of heart disease, co-morbidity, and readmission.

Conclusion: Cardiac heart failure has negative effects on quality of life. So, it seems that if assessing the QOL of these patients becomes one of the nurses&apos duties, it will promote the major caring goals.

 

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Background & Aim: Recent studies suggest that patients&apos perceptions might be more important than objective clinical assessments in determining quality of life (QOL) in patients with End Stage Renal Disease (ESRD). The aim of this study was to determine QOL in patients experiencing ESRD and its related factors.

Methods & Materials: In this descriptive-correlational study, we recruited 202 hemodialysis patients from Iran University of medical sciences&apos hemodialysis units using convenience sampling method. Data were collected using "Ferrans and Powers quality of life Index- dialysis version" instrument and analyzed using SPSS-14.

Results: Findings showed that the patients had a high perceived QOL. Lowest satisfaction mean scores were for the items "your health" (M=3.80, SD=1.74), "being able to take care of your financial needs" (M=3.31, SD=1.85), "achieving your personal goals" (M=4.02, SD=1.63), and "your family&aposs happiness" (M=4.96, SD=1.27). It was reported that "probably you will get a kidney transplant" (M=4.22, SD=2.15), "neighborhood" (M=4.32, SD=2.09, "personal appearance" (M=5.67, SD=0.91), and "your spouse"(M=5.84, SD=0.61) also had lowest mean score for importance from patients point of view. Financial status, educational levels, marital status and number of children were all associated with the QOL (P≤0.05). There were no relationship between age, sex, occupational status, with duration of dialysis treatment (P>0.05).

Conclusion: This study denoted financial status, educational levels, marital status and number of children is related to QOL of hemodialysis patients. So, these factors that affect quality of life may promote health and wellbeing and may increase survival in hemodialysis patients. The findings of this study can assist providers in planning and implementing educational and support programs for patients and their family.

 

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Background & Objective: However, pregnancy is a common event among reproductive-age women, it is often stressful. Physical and emotional changes can alter the ability of women to carry out their usual roles. The aim of this study was to assess quality of life in pregnant women and its related factors.

Methods & Materials: In this cross-sectional study, 600 pregnant women referred to the prenatal clinics of Kashan University of Medical Sciences were selected randomly. Then they were asked to complete the Short Form 36 Health Survey (SF-36) to assess the quality of life. The results were analyzed using t-test, c², and ANOVA in SPSS.

Results: Results showed that the mean of quality of life in pregnant women was 61.18 13.21 (27.96-92.62). A higher score represented a better health status. Statistically significant differences were found in all of the quality of life dimensions in pregnant women except for social functioning (P<0.005). Quality of life was correlated with age (P=0.002), gestational age (P=0.017), gravidity (P<0.001), number of deliveries (P<0.001), income (P<0.001), husband&aposs support (P=0.017) and life satisfaction (P=0.011).

Conclusion: Results of this study showed that the quality of life in pregnant women was low. Thus, it is important for primary care providers to be aware of the changes in health status of pregnant woman to help them to promote their quality of lives.

 

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Background & Aim: Pregnancy and post-partum period are accompanied by important changes in women&aposs quality of life. Patient counseling is an effective way to improve quality of life. This study aimed to assess the effect of telephone counseling on the quality of life among women with a normal vaginal delivery in Razi hospital in Marand.
Methods & Materials: In this randomized clinical trial, 260 women were recruited to the study. The participants who had met the inclusion criteria were randomly allocated in two intervention and control groups. The intervention group (n=130) received telephone counseling twice at the first week for 20 minutes and then once a week from the 2^nd week to the 6^th week. Moreover, we had provided a 24-hour hotline for women. The control group (n=130) received the routine care. Data were gathered using a demographic sheet, a postpartum problem&aposs checklist, and the SF-36 quality of life questionnaire. Data were analyzed using SPSS-13.
Results: The results showed no significant differences in physical and mental quality of life in the first day of post-partum between two groups. The women&aposs quality of life in both physical and mental dimension were significantly higher in the intervention group in the 42^nd day after childbirth (P<0.001).
Conclusion: Telephone counseling by midwives could help to improve women&aposs quality of life in post-partum period. More studies are recommended.

 

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Background & Aim: Quality of health care services shows the degree of achievement of health outcomes. From ethical and legal perspectives, nurses should be responsible for quality of presented care. Retired nurses can help to elaborate real and valuable concepts related to effective factors on quality of nursing care due to their experiences. The aim of this study was to explore the perspectives of retired nurses on factors that affect quality of nursing care in Semnan.

Methods & Materials: In this qualitative content analysis method, 20 retired nurses were invited to the study using purposeful sampling. Data were collected mainly using semi-structured interviews. The analysis was carried out using content analysis.

Results: Findings of the study yielded to three significant themes including: 1) necessity of humanistic relationships 2) suitable selection and education (3) planning and organizing nursing cares related to quality of nursing cares.

Conclusion: Findings of this study explored perspectives of retired nurses on the effective factors on quality of nursing care. The three themes emerged in the study should be mentioned in planning programs.

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Background & Aim: Home care visits have unique advantages in many social problems and health complications such as psychologic complications and adverse birth outcomes. The aim of this study was to identify the effect of postpartum care at home on quality of life among low risk mothers.

Methods & Materials: This interventional study was conducted in Akbarabad health center of Tehran University of Medical Sciences in 2010. A total of 200 mothers were randomly allocated in two intervention and control groups. Mothers in the control group received two post partum visits in health care center and the intervention group received care at home. Data were collected through a questionnaire including demographic characteristics and the mothers&apos quality of life items along with a growth and development monitoring chart for newborns. For analyzing data, Mann-Withney U, Wilcoxon and Chi-square tests were used.

Results: Most of the mothers aged 20-29 years old. The number of visits were statistically different between the two groups (P=0.00, P=0.01). Dimensions of quality of life in the two groups were not statistically different: (Physical dimension: P=0.052), (Emotional dimension: P=0.775), (Public health dimension: P=0.068), (Social performance dimension: P=0.780) and (Total score: P=0.213).

Conclusion: the results of our study did not show no positive improvements in home postpartum care in comparison with the health care centers care. More studies are recommended.

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Background & Aim: Rapid changes experienced after child birth expose mothers to unpleasant experiences such as disturbances in sleep pattern. These experiences threaten health of mothers and infants. Some studies have shown that exercise can be an effective and non-pharmacologic method in improving sleep quality. The purpose of this study was to examine the effect of exercise on sleep quality among postpartum mothers.

Methods & Materials: This was a randomized clinical trial. Eighty primiparous women aged 18-35 years were recruited from health centers in Rafsanjan in 2009. The inclusion criteria were singleton pregnancy, lack of any acute and chronic physical and mental illnesses, having healthy and term babies, and having vaginal deliveries. Participants were randomly allocated to the intervention (n=40) and control (n=40) groups. Women in the intervention group received five 30-minutes sessions of Pilates weekly for eight weeks. The PSQI instrument was used to measure the related variables at baseline, forth and eighth weeks after the deliveries. Data were analyzed using the repeated measures ANOVA.

Results: Significant improvement was seen in the intervention group within eight weeks follow-up the interaction within time and group was significant (P=0.02). Comparison of mean sleep quality between the two groups has shown that the intervention was effective (P<0.001).

Conclusion: The Pilates exercise was effective in improving quality of sleep in postpartum period.

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Background & Aim: Poor sleep quality is a common problem among patients hospitalized in the CCUs. This study aimed to determine the effect of environmental factors modification strategies on quality of sleep among patients admitted to CCU.

Methods & Materials: This was a quasi-experimental study with a single-blinded design. Sixty patients admitted to the CCU of Shariati hospital were divided into two experiment and control groups. Sleep quality was measured in the first day of admission and three days later using the Pittsburgh sleep quality index in both groups. In the intervention group, we implemented a modified work environment between the two measurements. Data were analyzed using the Chi-squared and t-test in the SPSS v.18.

Results: Findings showed a significant decrease in sleep quality in the control group after hospitalization, compared with the intervention group (P<0.001). There were no statistically significant changes in the sleep quality before and after hospitalization in the intervention group (P=0.053).

Conclusion: Using environmental factors mitigation strategies can improve sleep quality of patients admitted to CCUs.

 

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  Background & Aim: Multiple Sclerosis (MS) is a chronic disease of central neurologic system that has a wide effect on neurological function and can cause disability or poor quality of life in patients. The purpose of this study was to assess the effect of the Tai Chi Chuan on quality of life in women with the MS .

  Methods & Materials : This was a clinical trial which covered 34 women with MS in Iran Multiple Sclerosis Society in 2012. The participants were selected using purposive sampling and were randomly assigned to the experiment (n=16) and control (n=18) groups. Intervention was Tai Chi Chuan classes twice a week for 12 weeks. In this study, demographic questionnaire and Multiple Sclerosis quality of life questionnaire (MSQOL-54 scale) were used to collect data . Data were analyzed using the Chi-squared, independent samples T-test, paired samples T-test, Mann-Whitney U and Wilcoxon in the SPSS v.18.

  Results: There were no significant differences between the mean quality of life and its subscales among patients in the experiment and control groups at baseline except for the emotional well-being subscale. After the Tai Chi training intervention, significant differences were found between the two groups in the mean of some subscales of the quality of life including role limitation due to emotional problems, pain, emotional well-being, energy, social function, health distress, overall quality of life, physical health composite score, mental health composite score and also total quality of life score (P<0.05).

  Conclusion : The results suggested that Tai Chi Chuan could be an alternative exercise intervention to increase quality of life in patient with the MS.

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  Background & Aim : Childhood cancer discloses family, and mother in particular, to a number of challenges. It consumes a lot of time, energy, and money of parents to fulfill their caring responsibilities. In some cases and along with increase of caring pressure, mental health of parents deteriorates. The vesting consequences of such events may alter the process of children caring and their quality of life (QoL). The purpose of this study was to examine the relationship between mother’s general health status with the QoL of the child diagnosed with cancer.

  Methods & Materials : In this descriptive cross-sectional study, 124 mothers of children diagnosed with cancer and aged 6-14 years old, referred to Imam Reza and Amir Hospitals in Shiraz during a four month period (from early November to late February) were selected to the study. Data were gathered using the following instruments: 1) the questionnaire of factors related to QoL in children 2) mother's general health status form 3) TNO_AZL Children Quality of Life (TACQOL) and 4) Ped QL Cancer Module. Data were collected through interviewing with mothers and reviewing the medical records of the hospitals. Data were analyzed using the Kruskal–Wallis, Spearman correlation coefficient, Mann-whiteny test and logistic regression in the SPSS-19.

  Results: : A few number of mothers (7.3%) reported good general health status and a large number described their general health status as moderate (55.6%) and poor (37.1%). The mean of health related QoL score and the specific QoL score for children were 78.45±10.05 and 65.51±17.54, respectively. According to the multi-factorial logistic regression, demographic and social factors such as child’s age and treatment-related factors including the period of radiotherapy, along with the duration of disease were more correlated with health and specific QoL scores in children, compared to the mothers’ general health status score.

  Conclusion : Results from this study suggested that emotional support is as important as financial empowerment. The QoL in these patients and their families may improve by identifying the families who are at risk of mental problems.

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  Background & Aim: Cancer is the most common childhood chronic medical illnesses that can affect quality of life of the children and their families. The aim of this study was to determine the effect of coping skills training on quality of life among parents of children with leukemia.

  Methods & Materials: This non-randomized clinical trial was conducted from March to June 2013. Ninety eight parents of children with leukemia who were referred to two selected hospitals affiliated to Tehran University of Medical Sciences were enrolled to study using convenience sampling method. The participants were allocated to two experimental (n=48) and control (n=50) groups. Data were collected through two questionnaires including demographic characteristics of the parents and children, and the Persian version of the Caregivers Quality Of Life index Cancer. Coping skills training including social communication skills was performed through small group discussion (5-8 members) in four 2-hours sessions for the experimental group. The questionnaires were completed four weeks after the intervention by the parents. Data were analyzed using the independent t-test, paired t-test, Fisher's exact test and Chi-squared test in the SPSS-16. 

  Results: The results showed significant increase in the overall quality of life after the intervention (P<0.001). The quality of life of parents in the experimental group was improved significantly in comparison with the control group (P=0.045). Mental/emotional burden (P<0.001) and lifestyle disruption (P<0.001) decreased significantly after the intervention.

  Conclusion: The coping skills training affected the quality of life among parents of children with leukemia . Effective educational interventions may help to increase the quality of life of parents who have children with Leukemia.

  

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  Background & Aim: Falling is common among elderly due to changes in sensory–motor function. Falling causes physical, emotional and financial problems and decreases the quality of life in elderly. Since the causes of falling are multifactorial, multi-dimensional approaches should be considered to prevent it. This study aimed to investigate the effect of a multidimensional fall prevention program on the incidence of falling and quality of life among old people living in nursing homes.

  Methods & Materials: This before-after quasi-experimental study was conducted on 60 old people living in nursing homes who met the inclusion criteria. Multidimensional fall prevention program was focused on: 1- exercise (stretching, balance, and strength) 2-training classes for caregivers and elderly and 3-environmental modification. Data were collected before and six months after the intervention using demographic and illness form, fall frequency form and the LEIPAD questionnaire. Collected data were analyzed using the paired t-test, one-way ANOVA, Mann-Whitney and Wilcoxon tests in the SPSS-16 . 

  Results: Before and six months after the intervention, the mean frequencies of falling were 2.00 (±0.70) and 0.20 (±0.55), respectively. The mean scores of quality of life before and six months after the intervention w ere 56.48 (±10.45) and 77.43 (±10.45), respectively. Results indicated that there were statistically significant difference between the study participants before and six months after the intervention regarding falling frequency (P<0.001) and quality of life score (P<0.001).

  Conclusion: The multi-dimensional fall prevention program decreased the fall frequency and increased quality of life of participants. Health care providers, particularly nurses can use the prevention program to diminish falling incidence among elderly and improve their quality of life.

  

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  Background & Aim: Transparent and appropriate reporting of studies facilitates critical appraisal, application and combination of findings. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement, is a relatively new statement in order to improve the quality of reporting of observational studies. The present study aimed to assess the quality of reporting nursing and midwifery cohort studies according to the STROBE statement published in the Iranian electronic databases .

  Methods & Materials: In this cross-sectional study, we conducted a literature search in the SID, Magiran, Irandoc, Iranmedex databases and Google Scholar using the "cohort" keyword. It produced 1951 articles. After excluding duplicates and irrelevant articles, 241 papers were remained. We included: papers that were published after publishing of the STROBE statement, papers with cohort designs, and papers which their first author or corresponding author were nurse or midwife. Finally, we included 33 papers in our study. We evaluated the papers with the extended STROBE statement. Data were analyzed using the Kruskal Wallis, Mann Whitney and Spearman tests . 

  Results: About half (48.5%) of the papers had a prospective design others were historical cohort. The compliance with the STROBE statement was 56%. The title, abstract and introductions had generally good quality. The missing data, loss to follow-up and sensitivity analyses had poor quality. There were no associations between the papers' reporting quality with the year of publications, authors' specialty, design of the study, and the time of reviewing process .

  Conclusion: The quality of reporting in nursing and midwifery cohort studies was moderate. Reporting the essential elements of cohort studies according to the STROBE statement is recommended .

  

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  Background & Aim: Quality of work life seems to have impact on employees' job satisfaction, job involvement, job performance, turnover, and organizational transformation. This study aimed to assess the relationship between job satisfaction with the components of quality of work life among midwives in mashhad .

  Methods & Materials: This was a correlational study conducted among 230 midwives in mashhad in 2014. Data were collected using a demographic questionnaire, Walton's quality of work life, and the Minnesota job satisfaction questionnaire. Validity of the questionnaires was confirmed by 10 experts. The reliability was confirmed by alpha Cronbach. Data were analyzed using the descriptive statistics, Pearson, Spearman and ANOVA tests in the SPSS-19 . 

  Results: The overall quality of work life and job satisfaction had significant positive correlations (P<0.001 r_p=0.525 ). The job satisfaction had correlation with fair and adequate payment (r_p=0.277 P <0.001), safe working conditions (r_p=0.274 P <0.001), proper opportunity promotion ( r_p=0.306 P <0.001), o verall space of life ( r_p=0.327 P <0.001), job lawfulness ( r_p=0.233 P <0.001), social dependence in the work life ( r_p=0.207 P <0.001), s ocial cohesion in the organization (r_p=0.352 P <0.001), and proper opportunities to develop human capabilities (r_p=0.259 P <0.001) .

  Conclusion: Higher quality of work life is correlated with the higher job satisfaction. Managers can plan and implement appropriate strategies to promote components of quality of work life of midwives to provide efficient health services .

  

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  Background & Aim: The central venous pressure measurement is a common and important care provided by nurses in intensive units. The measurement should be according to the pre-defined standards. The purpose of this study was to evaluate the effect of using a checklist in measuring central venous pressure by nurses .

  Methods & Materials: This was a nonequivalent group design on 70 nurses working in ICUs. T he quality of measurement of central venous pressure by recruited nurses were measured via direct observation in the control (n=35) and experiment (n=35) groups. The intervention group nurses were recommended to use a performance checklist in each measurement of central venous pressure for one month. At the end of the intervention, the performances of both groups were evaluated through observation. Collected data were analyzed using the Chi-squared test, paired and independent test in the SPSS-17 . 

  Results: At b aseline, the mean scores in both groups were not statistically significant (P=0.7) The mean performance score of the control group at the beginning and one month later were 7.64±2.33 and 7.65±2.28, respectively (P=0.6). In the experiment group, the mean performance score was 7.85±2.29 before the intervention and 9.28±3.16 after the intervention (P=0.001). T he difference between the scores before and after the intervention were significant (P=0.001) in the intervention group .

  Conclusion: Using checklist by critical care nurses could enhance their performances in measurement of central venous pressure. This method can be used as an accessible, inexpensive, and simple method to improve quality of nursing practices .

  

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Background & Aim: In the view of the importance of evidence-based clinical practice in recent years, clinical disciplines such as nursing and midwifery have found a special need to systematic review and meta-analysis. However, systematic reviews and meta-analysises like any other studies may be poorly designed and implemented. Therefore, certain guidelines have been considered for reporting of such studies. The PRISMA statement is one of the most recent developments to improve the reporting quality of systematic reviews. The present study aimed to assess the reporting quality of systematic reviews and meta-analysises in the Iranian journals of Nursing and Midwifery, based on the PRISMA statement.

Methods & Materials: In this study, we conducted a comprehensive search on the Iranian journals of Nursing and Midwifery (Persian and English), indexed by the SID, Magiran, Irandoc, Iranmedex and Google Scholar databases during 2010 to 2015 years. The search was implemented using the key words such as systematic review and meta-analysis. Of the 44 articles found, after considering the inclusion criteria, 16 articles remained that were investigated using the PRISMA statement. Data were analyzed through the descriptive statistics and chi-square test using SPSS software version 16.

Results: The compliance rate of studies on the basis of PRISMA statement was estimated to be about 63%. The most common deficiency in the reporting quality was related to methodology estimated to be about 57%. The most visible deficiencies in the reporting of systematic reviews and meta-analysises were related to bias in the primary studies and bias in combining the results of these studies and lack of reporting these biases.

Conclusion: In this study, the reporting quality of systematic reviews and meta-analysises in the Iranian journals of nursing and midwifery was in the moderate level. The most probable reason for this may be the lack of enough attention of researchers to the PRISMA statement or not using this statement in reviewing articles. Therefore, it is recommended that an appropriate share of the educational programs on research methodology be allocated to systematic reviews and familiarizing with valid criteria such as PRISMA statement.