Comparison of hemoglobin drop after tubeless percoutaneous nephrolithotomy with flank compression on 0,3,7 minutes, aclinical trial

Determination of hemoglobin drop in the first and second day after tubeless percoutaneous nephrolithotomy surgery postoperative period in patients who had abdominal flank for 3 and 7 minutes.

Quasi-experimental with control group, with parallel group,randomized controlled trials, applied clinical trials

The patients who had study conditions in Hashemi nejad kidney center in Tehran will undergo at the tubeless percoutaneous nephrolithotomy surgery with tubeless method, and if the operation finishes without the use of nephrostomy tube enter to the study, then the patient will randomly assigned to three flanker compression groups using randomized tables which prepared by the researcher for 0,3 and 7 minutes allocated to compare hemoglobin drop.

Inclusion criteria : kidney stone surgery candidate for percoutaneous nephrolithotomy (PCNL), Age 18 years and older, Being in the ASA1,2 group for anesthetic risk Exclusion criteria: Stone kidney with anatomical anomalies (malformation, pelvic kidney, horseshoe kidney),), BMI more than 30, Untreated coagulation disorder, Aspirin intake in the last 7 days, Taking nonsteroidal anti-inflammatory drugs in the last 5 days, Untreated Urinary Tract Infection, Severe pulmonary disease or other conditions that, according to an anesthetist, may not be pressure on the ipsilateral abdomen

Control group: Patients who eligible for percoutaneous nephrolithotomy (PCNL) surgery with tubeless and at the end of operation have not any abdominal-flank compression. Intervention group: Patients who eligible for PCNL surgery with tubeless have 3 or 7 minutes flank compression at the end of operation.

Percentage of hemoglobin drop after 1 and 2 days of the after tubeless percoutaneous nephrolithotomy surgery

Individual simple randomized and systematic: Samples were randomly assigned to two groups by using binary blocking and randomly assigned to three groups of compression for zero (as control group), three, and seven minutes using random numbered tables prepared by the researcher. A random number table is prepared by a design consultant and is provided to the researcher in closed envelopes. Once the envelope has been completed, the envelope is opened and the duration of the flank compression is determined, the same time compression of abdominal flank area is done by the surgeon or assistant. Sampling is performed from the beginning of the study successively from all eligible patients. Random instrument: sealed envelope, randomized tables prepared by the researcher, data entered into SPSS software and ANOVA test to compare the amount of bleeding.