None listed
Conditions
Brief summary
With the development of minimal-invasive techniques, laparoscopic procedures are the basis of general surgery. Artificial pneumoperitoneum is usually established by carbon dioxide insufflation and the intraabdominal pressure is frequently maintained between 10 and 15 mmHg. There are two ways to monitor this volume status: invasive and non-invasive. Non-invasive plethysmographic variability index (PVI) and Total hemoglobin (SpHb) are new parameters used for fluid response in surgical patients. Although these two parameters have been shown to be affected by pneumoperitoneum in laparoscopic surgery, the role of obesity has not been established. These parameters were evaluated in gastric bypass operations to evaluate the effects of pneumoperitoneum in obese patients and their changes were evaluated. However, there are no studies evaluating obese patients and normal weight patients with the same operation type and the same abdominal pressure values. Our aim in this study was to determine how PVI and SpHb are affected by pneumoperitoneum in obese and normal weight patients.
Interventions
Patients undergoing laparoscopic cholecystectomy will undergo a masimo finger probe (a probe like saturation probe that measures non invasively pleth variability index, perfusion index, hg levels from hand finger) prior to surgery. With this probe, PVI and SpHb values will be measured. 10-12 mmHg pneumoperitoneum will be formed by laparoscopy tower according to the routine procedure of laparoscopic surgeries after the patient is anesthetized (every laparoscopic cholecystectomy operation needs pn
Patients undergoing laparoscopic cholecystectomy will undergo a masimo finger probe (a probe like saturation probe that measures non invasively pleth variability index, perfusion index, hg levels from hand finger) prior to surgery. With this probe, PVI and SpHb values will be measured. 10-12 mmHg pneumoperitoneum will be formed by laparoscopy tower according to the routine procedure of laparoscopic surgeries after the patient is anesthetized (every laparoscopic cholecystectomy operation needs pneumoperitoneum for clear vision by laparoscopic camera). Pneumoperitoneum will be performed with CO2 by general surgeon. Changes in the PVI and SpHb values measured from the Masimo finger probe will be recorded. Duration of interventions will be aproximately 60 minutes. Operations lasting longer than 60 minutes will be excluded from the study.
Sponsors
Gulcin Patmano
Study design
Allocation
Non-randomised trial
Intervention model
Other
Primary purpose
Diagnosis
Masking
Open (masking not used)
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Healthy volunteers
No
Inclusion criteria
ASA (American Society of Anesthesiologists) 1-2 patiens patients undergoing lararoscopic cholecystectomy Study Group: body mass index > 30 Control Group : body mass index < 30
Exclusion criteria
ASA 3-4 patients patients who refused to participate in the study pregnancy intraoperative bleeding over 100 ml
Outcome results
None listed