Researchers aim to evaluate impact of transcutaneous electric nerve stimulator on the incidence of postoperative diaphragmatic dysfunction in patients living with obesity undergoing bariatric surgery
Bariatric surgery is associated with several postoperative consequences, including challenging pain control, respiratory complications, and diaphragmatic dysfunction. Postoperative diaphragmatic dysfunction is defined as a diaphragmatic excursion of less than 10 mm. There is substantial evidence that diaphragmatic ultrasound provides a reliable and accurate assessment of diaphragmatic function in both intensive care unit and perioperative settings. The present randomized controlled trial aims to evaluate the influence of transcutaneous electrical nerve stimulation on postoperative diaphragmatic dysfunction in morbidly obese patients undergoing bariatric surgery.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Enrollment
70
The EM49 will be set to a TENS program with a frequency of 80-100 Hz and a pulse width of 200 μs
Electrodes will be placed identically, but no current will be delivered (sham TENS)
Cairo University Hospitals
Cairo, Egypt
NOT_YET_RECRUITINGCairo University Hospitals
Cairo, Egypt
RECRUITINGIncidence of postoperative diaphragmatic dysfunction
Diaphragmatic excursion \< 10 mm 2 hours after surgery
Time frame: 2 hours after surgery
Forced vital capacity (liters)
is the maximum volume of air that can forcibly exhaled after taking maximum breath
Time frame: Before and at 2 and 24 hours postoperatively
Numeric rating scale
To quantify pain from 0 to 10 (with 10 indicates worst pain)
Time frame: Within 24 hours after surgery
Nalbuphine consumption
Total postoperative nalbuphine consumption
Time frame: 24 hours after surgery
Forced expiratory volume in one second (Liter)
Maximum volume of air can be exhaled in the first second after maximum inspiration
Time frame: Before and at 2 and 24 hours
Peak expiratory flow rate (Liter/ second)
Maximum flow rate during forced expiration after maximum inhalation
Time frame: Baseline, 2, and 24 hours after surgery
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