The Impact of Laparotomy and Analgesia Methods on Diaphragm

The Impact of Laparotomy and Analgesia Methods on Postoperative Diaphragm Muscle Contraction in Major Abdominal Surgeries.

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT06403540

Enrollment

Registered

2024-05-08

Start date

2025-01-30

Completion date

2025-08-01

Last updated

2025-04-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal Neoplasms, Gastrectomy

Brief summary

Major abdominal surgeries are traditionally performed via laparotomy. Analgesia is routinely administered during the postoperative period. The goal is to investigate the effects of laparotomy and analgesia methods on diaphragm function.

Detailed description

Laparotomy is typically performed through a midline incision during major abdominal surgeries. Patients have difficulty breathing deeply after surgery, particularly because of pain. Intravenous drug administration, epidural catheter placement, and abdominal plane blocks are common methods of analgesia. In this study, the investigators will measure the diaphragm muscle thickness at the xiphoid level at the anterior axillary line in the supine position in participants who underwent laparotomy before and one hour after the operation, using ultrasonography M mode during inspiration, expiration, and forced inspiration. the investigators will test the effects of analgesia methods on diaphragm contraction in participants undergoing laparotomy.

Interventions

DIAGNOSTIC_TESTultrasonography

Using ultrasonography to measure diaphragm thickness

Study design

Observational model

CASE_ONLY

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Inclusion criteria

* over 18 years, * major abdominal surgery cases

Exclusion criteria

* body mass index (BMI) \>35 kg/m2 * illiteracy, * communication issues, * neuromuscular disorders, * Advanced chronic respiratory disease, * Previous abdominal or thoracic surgery

Design outcomes

Primary

Measure	Time frame	Description
The impact of laparotomy on diaphragm thickness.	Measurement at the 1st postoperative hour	Comparison of diaphragm muscle measurements before and after surgery

Secondary

Measure	Time frame	Description
The effect of analgesia methods on diaphragm thickness in patients undergoing laparoscopic surgery.	Measurement at the 1st postoperative hour	Comparison of diaphragm muscle measurements before and after surgery

Countries

Turkey (Türkiye)

Contacts

Primary Contactfethi gültop

fethigultop@yahoo.com+905052260067

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026