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The comparison of mallampati test in supine and sitting position in traditional approach and during phonation for predicting of difficult laryngoscopy and intubation
Hussain Khan Z, Eskandari Sh, Rahimi M, Makarem J, Meysamie A, Khorasani Am, Zebardast J,
Volume 70, Issue 6 (5 2012)
Abstract

Background: Inadequate ventilation, esophageal intubation and difficult intubation are the most common adverse respiratory outcomes in patient undergoing anesthesia .The aim of this study was to compare Mallampati test in supine and sitting positions in traditional approach and during phonation for predicting difficult laryngoscopy and intubation.
Methods: In this study performed in Imam Khomeini Hospital in Tehran, Iran, Mallampati test was performed on 661 patients who met the inclusion criteria for the study. The test was done in supine and sitting positions with and without phonation by a rater who was blind to Mallampati test. Subsequently, laryngoscopy view and difficult intubation were evaluated in the four aforesaid positions by Mallampati test for predicting difficult laryngoscopy and intubation. For each situations, sensitivity, specificity, positive and negative predictive values and accuracy were calculated.
Results: Overall, 28 (4.2%) patients had difficult laryngoscopy and 9 (1.4%) patients had difficult intubation. The highest sensitivity for Mallampati test in predicting difficult laryngoscopy and intubation was in supine and sitting positions without phonation, and the highest specificity was seen in sitting position with phonation. Negative predictive values were more than 95% in all different positions for Mallampati tests and the highest positive predictive value was seen in supine position with phonation.
Conclusion: According to our findings, the highest correlation between Mallampati test and different positions in predicting difficult laryngoscopy and intubation was seen in supine position with phonation. Phonation improved Mallampati score in supine rather than sitting position.


Association between cesarean scar defect and adenomyosis in patients with abnormal uterine bleeding
Fatemeh Shakki Katouli , Jayran Zebardast, Zahra Tavoli, Leila Bayani, Fahimeh Zeinalkhani, Reza Mardani , Fahimeh Azizinik,
Volume 82, Issue 4 (July 2024)
Abstract
Background: The prevalence of cesarean section (CS) has recently increased dramatically. Cesarean scar defect (CSD) is one of the most common complications of CS. This study aims to investigate and compare the depth and volume of the CSD in symptomatic patients with and without uterine adenomyosis.
Methods: This retrospective case-control study was done from November 2020 to November 2022 at our referral women's hospital. The patients who underwent sonohysterography with a previous history of one or two CS for at least one year ago and chief complaints of abnormal uterine bleeding were included in our study. The patients with myometrial or endometrial pathology were excluded from the study. The symptomatic patients who met the inclusion criteria were divided into two groups: with adenomyosis (case) and without adenomyosis (control). The demographic data, medical history, and sonohysterography findings were obtained from the patient’s documents and archived images. In sonohysterography, CSD features, including the length, depth, width, volume, RMT (Remained Myometrial Thickness), AMT (Adjacent Myometrial Thickness), and RMT/AMT were measured. To analyze the variables, t-tests, and chi-square were used.
Results: Among 310 symptomatic women with a history of previous cesarean section underwent sonohysterography, 160 patients met the inclusion criteria (case group with adenomyosis: 82 patients and control group without adenomyosis: 78 patients). The chief complaints were post-menstrual bleeding (43.8%), prolonged bleeding (34.3%), and intermenstrual bleeding (21.9%). In the case group, 25.6% had CSD with RMT<2mm, but in the control group (without adenomyosis), only 6.4% had RMT<2mm. CSD depth and volume were significantly larger in patients with underlying adenomyosis (P-value of 0.002 and 0.038, respectively). Also, the mean RMT and RMT/AMT ratio were significantly lower in the case group (P-values of 0.004 and 0.00, respectively).
Conclusion: Our study demonstrated a strong association between the presence of adenomyosis and larger CSDs. To establish a causative relationship, we suggest a prospective cohort study to follow up the patients and compare the evolution of CSD in patients with and without adenomyosis.

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