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Prevalence of extended spectrum beta lactamases among strains of Pseudomonas aeruginosa isolated from burn patients
Mirsalehian, Feizabadi, Akbari Nakhjavani, Jabal Ameli, ,
Volume 66, Issue 5 (5 2008)
Abstract

Background: The resistance of Pseudomonas aeruginosa strains to broad spectrum cephalosporins may be mediated by extended spectrum b-lactamases (ESBLs). These enzymes are encoded by different genes located either on chromosome or plasmids. In this study, we determined the antimicrobial resistance patterns of P. aeruginosa isolates and screened for ESBL production.

Methods: After isolation from burn patients in Tehran Hospital, identification of P. aeruginosa isolates were assessed using biochemical tests. We then performed disk agar diffusion (DAD) according to CLSI guidelines to determine the pattern of antimicrobial resistance. The frequency of ESBLs and prevalence of the OXA-10 and PER-1 genes were determined with combined disk and polymerase chain reaction (PCR) methods, respectively.

Results: One hundred strains of P. aeruginosa were isolated. The resistance of these strains to cephpodoxime, aztreonam, ciprofloxacin, ofloxacin, ceftazidime, cefepime, imipenem, meropenem, cefotaxime, levofloxacin, piperacilin- tazobactam and ceftriaxon was 100%, 90%, 83%, 92%, 85%, 88%, 63%, 66%, 98%, 89%, 70% and 91%, respectively. Of these, 40 strains (40%) were ESBL positive, 29 strains (29%) were OXA-10 positive and 18 strains (18%) were PER-1 positive.

Conclusion: Our results confirm the need for proper antimicrobial therapy in burn hospitals, considering the resistance pattern and frequency of strains producing ESBLs and the presence of the OXA-10 and PER-1 genes. Since an increase in the prevalence of ESBL in P. aeruginosa strains might lead to the transfer of these ESBL genes to other gram-negative bacteria, we recommend the use of appropriate drugs, especially cephalosporins, in burn hospitals.


Factors predicting a positive pregnancy screening test at first trimester
Mahboobeh Shirazi, Elham Feizabad, Nesa Rajabpoor Nikoo , Fatemeh Rahimi Sharbaf, Maedeh Rahmanzadeh,
Volume 78, Issue 11 (February 2021)
Abstract
Background: For every pregnant woman, it is possible to have a child with chromosomal abnormalities. Although this possibility is not very high, by performing screening tests and considering the mother's background factors, we can largely realize the real extent of this possibility.
Many comorbidities (like high blood pressure, diabetes, and obesity) and high-risk exposures (like alcohol consumption) seem to have an important role in the development of chromosomal abnormalities. This study aimed to determine the predictive factors of a positive first-trimester screening test in the pregnant women.
Methods: This case-control study was done on pregnant women, who were referred to Yas Hospital for their first-trimester screening tests between April 2018 and February 2020. Of those who had positive screening test results, only ones with abnormal biochemical tests, were included in the study regardless of nuchal translucency (NT) examination results and were considered as cases, and the women with normal screening test results were considered as controls.
Results: Totally 960 pregnant women (760 controls and 200 cases) participated in the study. The mean age of the subjects was 31.07±0.17 years old with a minimum age of 17 and a maximum age of 45. The averge age of case group women was 33.57±0.40 years and this was 30.41±0.18 years in control group.
This study indicated that maternal age (P<0.001) and the number of pregnancies in the case group are significantly (P<0.001) higher than the control group. Also, having a history of miscarriage (P<0.001), having a history of infertility (P<0.001), and having hypothyroidism (P=0.030) are significantly more common in the case group. The frequency of intrauterine growth failure (P=0.003) and neonatal hospitalization (P<0.001) were also significantly higher in the case group.
Conclusion: Despite recent advances in the prenatal field, the accuracy of screening tests may still vary depending on maternal age and other existing characteristics. Hence, it seems considering the mother's background characteristics are important just the same as the screening test results.

The satisfaction of infertile patients with the quality of medical services in Tehran university of medical sciences hospitals during the year 2020-2021
Batool Hossein Rashidi, Maryam Bagheri., Ashraf Aleyasin, Ladan Kashani, Fatemeh Davari Tanha , Elham Feizabad , Fedyeh Haghollahi,
Volume 81, Issue 1 (April 2023)
Abstract
Background: Patient satisfaction is considered as one of the most important elements of the evaluation of healthcare centers. In this research, the level of satisfaction of infertile patients was evaluated.
Methods: This study is a cross-sectional descriptive study. The research population is infertile patients who referred to the infertility clinic (at least 4 visits) and hospitalized in four hospitals affiliated with the Tehran University of Medical Sciences. The satisfaction questionnaire was valid researcher-made which included 56 questions in 9 areas, and were collected from May 2021 to September 2022. In order to comply with the ethical principles in research, hospitals were named 1-4.The results were analyzed using the chi-square test or Fisher's exact test for qualitative variables and analysis of variance for quantitative variables in SPSS software, version 24 (SPSS Inc., Chicago, IL, US).
Results Three hundred–four infertile women in four hospitals were studied. The mean age of the participants was 33.8 years, with a standard deviation of 5.8 years. The average satisfaction with admission and discharge services, medical services, nutrition, accounting, and insurance services in the number-1 Hospital had the highest score, and the average satisfaction with nursing or midwifery services, diagnostic and therapeutic services (radiology/laboratory), hospital services, charter patient rights, management services, paid expenses in Hospital 4 received the most points. The mean score of satisfaction was the highest among those who visited the infertility clinic of Hospital 3 (161.54±21.41). Average satisfaction with admission and discharge services, medical services, nutrition, accounting, and insurance services in Hospital No. 1 had the highest score, and average satisfaction with nursing or midwifery services, medical diagnostic services (radiology/laboratory), hospital services, respecting the patient's rights, management services, paid expenses in hospital number 4 got the most points. The average of nursing or midwifery services, respecting the patient's rights, and hotelling in all hospitals received the highest score, respectively, and nutrition services and paid expenses received the lowest points (most dissatisfaction) (P<0.05).
Conclusion: The level of satisfaction of women referring to the infertility clinic in 35.9% of cases was considered to be at an appropriate and exceptional level, in 49.3% of cases it was at a partially appropriate level, and in 14.8% at an inappropriate level.

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