Introduction: Bag-valve-mask (BVM) ventilation is the first and important part of the airway management. The aim of present study was to evaluate the quality of four different BVM ventilation techniques – E-C, Thenar Eminence, Thenar Eminence (Dominant hand)-E-C (Non dominant hand), and Thenar Eminence (Non dominant hand)-E-C (Dominant hand) – among two novice and experienced groups.
Methods: In a case-control and mannequin based study that was conducted in Tabriz University of medical sciences, 120 volunteers were recruited and divided into two groups. 60 participants in experienced and other 60 as novice group who observed BVM ventilation but hadn’t practical experience about BVM ventilation. Every participant in both groups performed 4 BVM ventilation techniques under the supervision of an experienced assessor. Quality of mannequin chest expansion was recorded by two other experienced assessors who were blind to ventilation process. The data were analyzed with SPSS 17.0.
Results: In novice group, when evaluating each technique performance, they did Thenar Eminence (non-dominant hand) - E-C (dominant hand) technique much better than the others (P<0.0001). But in the experienced group, there was no meaningful difference between the all four techniques (P= 0.102).
Conclusion: Novice participants did Thenar Eminence (non-dominant hand) - E-C (dominant hand) technique better than the others. Therefore, it is recommended that training of this technique was placed in educational program of medical students.
Objective(s): The goal of this study was to elucidate harmful
complications of intraoperative hyperglycemia following children cardiac
surgery and benefits of insulin administration for accurate blood sugar
controlling. Design: Randomized clinical trial Setting: operating room
of shahid madani hospital Patients: 50 patients who were children under
12 years old undergoing cardiac surgery using Cardiopulmonary Bypass
(CPB). Interventions: Intraoperative insulin infusion was administered
intravenously targeting at blood sugar levels of 110-140mg/dL
Measurements and Main Results: Blood sugar and ABG were measured every
30 min during operation. The means of hospitalization and extubation
time were more in the placebo than study group (P=0.03) and (P=0.005),
respectively. However, the mean of hospitalization in the ICU ward was
not significantly between groups. Conclusions: Hyperglycemia prevalence
was lower in our study than mentioned studies in which the patients were
either given insulin or not. Hyperglycemia duration has relation with
long hospitalization time in ICU and hospital. These findings suggest
the positive effect of accurate blood sugar control on reducing
complication and hospitalization time in children undergoing cardiac
surgery.
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