Background and Aims:Obese patients are more vulnerable to residual neuromuscular block (NMB) and its associated complications in the post-operative period. This study was carried out to compare neostigmine induced reversal of vecuronium in normal weight, overweight and obese female patients, objectively using neuromuscular (NM) monitoring.Methods:Twenty female patients each belonging to normal weight, overweight and obese, based on body mass index, requiring general anaesthesia were recruited for this prospective cross sectional study. NMB was induced with vecuronium (0.1 mg/kg) dose based on patient's real body weight (RBW) and monitored using acceleromyographic train of four (TOF). All patients received neostigmine 40 μg/kg and glycopyrrolate 10 μg/kg at 25% of spontaneous recovery of first twitch height (T1) of TOF (DUR 25%) and were allowed to recover to TOF ratio of 0.9. Statistical analysis was done using analysis of variance test.Results:Recovery of TOF ratio to 0.5 was comparable in all three groups. Recovery of TOF ratio to 0.7 was delayed in obese (9.82 ± 3.21 min) compared with normal weight group (7.50 ± 2.52 min). Recovery of TOF to 0.9 was significantly delayed in both overweight (12.18 ± 4.29 min) and obese patients (13.78 ± 4.30 min). DUR 25% was significantly longer in overweight (mean, standard deviation [range]; 30.10 [19–40 min]) and obese (28.8 [12–45 min]) compared with normal weight patients (22.75 [16–30 min]).Conclusion:In overweight and obese patients, when vecuronium induction dose is based on RBW, neostigmine induced recovery of NMB is delayed in late phases (TOF 0.7-0.9), which may result in vulnerability for associated complications of incomplete recovery. Ensuring safe recovery thus requires objective NM monitoring.
Background and Aims: Formative assessment of procedural skills of Anaesthesiology postgraduate (PG) students is not conducted conventionally. Direct observation of procedural skills (DOPS) helps to identify gaps in performance and provides structured feedback. The present study was taken to explore perceptions of PG students and faculty about DOPS. Methods: This mixed design interventional study was conducted on 12 PGs and 10 faculty members in Department of Anaesthesiology. After conducting DOPS, a pre-validated questionnaire was given to them about perceptions using 3-point Likert's scale along with open ended questions. Statistical analysis was done using descriptive statistics of perception to calculate percentages and themes were identified for qualitative data. Results: Responses of students were positive about skill improvement (83%), time provided (75%), feedback (100%), interaction (83%), motivation (83%), satisfaction (83%), effectiveness (83%) and opportunity creation (92%). Faculty responded positively regarding change in attitude (100%), effectiveness (100%), scope (90%), feasible application (90%), ease (90%), opportunity creation (80%), gap identification (100%), satisfaction (80%). However, 60% felt training was required, 50% thought more time and commitment was required. Themes identified were DOPS is comprehensive, interactive, student-friendly, good teaching-learning tool, identifies gaps, provides focus for learning, provides systematic constructive feedback, improves skills, prepares for future practice, requires planning, may not reflect competence, has assessor variability and can be included in PG curriculum. Conclusion: DOPS was perceived as an effective assessment and teaching-learning tool by PG students as well as faculty.
Context: To establish the usefulness of King Vision ® video laryngoscope (KVL) in patients with rapid sequence anesthesia. Aims: This study aims to compare the role of KVL on glottic visualization, intubation time and associated sympathetic response in routine intubations to those intubations done with cricoid pressure (CP). Settings and Design: Randomized controlled study in a tertiary care hospital. Methodology: Seventy-six patients intubated with KVL were randomized to two groups – Group C (who did not receive any CP) and Group CP – who received CP. The percentage of glottic opening (POGO), intubation time, subjective assessment, and number of attempts taken to introduce KVL and endotracheal tube (ETT) were noted. The saturation, end-tidal carbon dioxide concentration and hemodynamic response (heart rate, systolic blood pressure, diastolic blood pressure, mean arterial pressure, and rate pressure product) in the peri-intubation period were also recorded. Results: The demographics, airway, and technical characteristics of insertion of KVL and ETT were comparable between the groups ( P > 0.05). POGO score was 100% in both groups. The significant time in insertion of KVL (Group C 29.87 ± 11.64 s and Group CP 40.68 ± 18.93 s, P = 0.004) and ETT (Group C 17.53 ± 8.71 s and Group CP 22.42 ± 10.77 s, P = 0.033) contributed to prolonged overall intubation time in CP (Group C 41.11 ± 11.65 s and Group CP 51.05 ± 17.31 s, P = 0.005). The intergroup and intragroup hemodynamic variables did not show any statistical significance ( P > 0.05) over time. Conclusion: Although overall intubation time with KVL is prolonged in patients with CP, it provides excellent glottic view, eases intubation, and causes insignificant hemodynamic variation.
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