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1.
Anesth Essays Res ; 15(2): 179-182, 2021.
Article in English | MEDLINE | ID: mdl-35281367

ABSTRACT

Background and Aim: Bilevel positive airway pressure (BIPAP) is emerging as a useful modality in prevention as well as the management of postoperative respiratory dysfunction in patients undergoing coronary artery bypass graft (CABG). Materials and Methods: A total of 50 patients who underwent CABG were managed using BIPAP during postoperative period. Acid-base gas parameters, electrolyte levels, respiratory and hemodynamic parameters, and 24 h urine output before and after BIPAP application were measured. Data were analyzed using SPSS 21.0 version. Paired "t"-test was used to compare the changes in different parameters. Results: The mean age of patients was 57.72 ± 9.67 years (range: 36-85 years), majority were males (84%). Mean body mass index and mean left ventricular ejection fraction of patients were 24.26 ± 3.74 kg.m -2 and 52.77 ± 10.26%, respectively. Mean pO2, pCO2, and respiratory rate before BIPAP application were 90.62 ± 12.90 torr, 40.26 ± 5.39 torr, and 25.64 ± 6.21/min, respectively, which became 158.52 ± 50.43 torr, 37.77 ± 6.98 torr, and 21.78 ± 4.79/min, respectively, after BIPAP application, thus showing a significant change (P < 0.05). No significant change in other parameters was observed. No other adverse effect was noted. Conclusion: BIPAP application helped in improving ventilatory parameters without any adverse impact on hemodynamics and other parameters. Its application was a safe method to prevent respiratory disturbances following cardiac surgery.

2.
Anesth Essays Res ; 12(2): 392-395, 2018.
Article in English | MEDLINE | ID: mdl-29962604

ABSTRACT

BACKGROUND AND OBJECTIVE: Ropivacaine owing to its propensity of causing motor blockade of reduced duration, is preferred for ambulatory day care surgery. Intrathecal ropivacaine has shown effective analgesia for lower limb surgery. Our study plans to evaluate spinal ropivacaine in three different doses in patients undergoing day care perineal surgery. METHODOLGY: 90 ASA-I patients scheduled to undergo day care perineal surgery were randomized to receive intrathecal ropivacaine. Group I (n=30) received 15mg of intrathecal ropivacaine, Group II (n=30) received 18.75 mg of intrathecal ropivacaine and Group III (n=30) received 22.5 mg of intrathecal ropivacaine. Onset of sensory block at T 10, peak sensory block level, duration of sensory block, onset and duration of motor block and relevant safety data were recorded. RESULT: Onset of analgesia was significantly shorter in Group III (3.5 min ; P <0.0001). However, time taken for peak sensory blockade was comparable in group II and III (12.76 and 11.93 mins). Duration of analgesia was longer and statistically significant in Group III (201.6 mins: P <0.0001) when compared to Group I and II. Onset of motor block was observed to be shortest in Group III (6.7 mins) and duration of motor block was longest in Group III (153.73 mins). These two parameters were statistically significant than Group I and II (P <0.0001). CONCLUSION: Intrathecal ropivacaine in a dose of 18.75 and 22.5 mg were observed to be equally effective in providing satisfactory analgesia. However, higher dose was associated with profound sensory and motor block.

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