Non-Pharmacological Factors on Spinal Block Duration

NCT07638280 · tracked via the Priya Life Science Turkey tracker

Sponsor

Taksim Egitim ve Arastirma Hastanesi

Phase

Observational

Started

2026-06-16

Last updated

2026-06-23

Condition(s) studied

Paraspinal Muscle Mass and Spinal Anaesthesia

Investigational drug(s) / intervention(s)

spinal anaesthesia

spinal anaesthesia: Patients who will undergo surgery required spinal anaesthesia

Study summary

The aim of this study is to evaluate the effects of non-pharmacological factors-such as age, sex, body mass index, paraspinal muscle mass, vertebral canal anatomy, patient positioning, and injection technique-on the duration of sensory and motor block in patients undergoing spinal anesthesia, and to investigate the potential relationships between these factors and block duration.

Eligibility

Sex

ALL

Min age

18 Years

Max age

80 Years

Healthy volunteers

Inclusion Criteria: * Patients aged 18-80 years * ASA physical status I-III * Patients scheduled for elective lower abdominal surgery. Exclusion Criteria: * Patient refusal to participate * Coagulopathy * Use of medications or substances known to impair coagulation * Pregnancy, sepsis * Shock * Severe aortic or mitral regurgitation * Peripheral vascular disease * Increased intracranial pressure * Mental disorders * Spinal column deformity * History of previous spinal surgery.

Primary outcome measure(s)

Paraspinal mass measurement with ultrasound. — Pre-operative
Ultrasonographic measurement of paraspinal muscle thickness (cm) and its association with duration of spinal block will be investigated.

Trial sites (1)

Facility	City	Region	Status
Taksim Training and Research Hospital	Istanbul	Turkey (Türkiye)	Recruiting

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07638280 on ClinicalTrials.gov ↗ ← All trials in Turkey