Erector Spinae Plane Block in Laparoscopic Colorectal Cancer Surgery

Summary

Our study will compare patients who underwent laparoscopic surgery for colorectal cancer with and without Erector Spinae Plane Block in terms of renal blood flow and renal function tests. In our study, which will be conducted by dividing patients into two groups, the investigators aim to demonstrate the effects of the erector spinae plane block on renal physiology by simultaneously monitoring renal blood flow during the intraoperative period using near-infrared spectroscopy and monitoring renal function in the postoperative period using NGAL, serum creatinine, and eGFR.

Eligibility

Inclusion Criteria:

* Age: 35-75 years old
* Colorectal cancer surgery must be planned by a physician
* No infection in the injection site
* No history of any disease related to clotting or bleeding time
* The patient must be a volunteer
* No history of local anesthetic allergy

Exclusion Criteria:

* Being under 18 years of age
* Having a systemic infection or infection at the injection site
* Having any disease related to bleeding time and clotting
* Having a history of local anesthetic allergy
* Patient refusal (ESPB for analgesic purposes)
* Patients with a Body Mass Index (BMI) of 30 or above

Conditions2

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