?Ultrasound-Guided Modified Paramedian vs. Midline Approach for Spinal Anesthesia: Success Rates on First Attempt in Surgical Patients?

Comparison of pre-procedural ultrasound assisted modified paramedian technique versus ultrasound assisted midline technique on successful dural puncture on first attempt in patients undergoing surgeries under spinal anesthesia - A Randomized Controlled Trial. - Nil

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2025/09/094246

Enrollment

108

Registered

2025-09-04

Start date

Unknown

Completion date

Unknown

Last updated

2025-09-15

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

Conditions

Health Condition 1: - Health Condition 2: O- Medical and Surgical

Interventions

Intervention1: Pre procedural ultrasound assisted modified paramedian Technique: Pre procedural ultrasound assisted modified paramedian Technique in patients undergoing surgeries under spinal anaesthe

Eligibility

Inclusion criteria

Inclusion criteria: 1. Patients belonging to American society of Anesthesiologist physical status classification (ASA- PS -I, II & III) 2. Patients scheduled for elective surgeries under spinal anesthesia

Exclusion criteria

Exclusion criteria: .

Design outcomes

Primary

Measure	Time frame
Primary objective: To compare the rate of successful dural puncture on the first needle insertion attempt between pre procedural ultrasound assisted modified paramedian technique and pre procedural ultrasound assisted midline techniques in patients undergoing surgeries under spinal anesthesia.Timepoint: out come would be assessed immediately after the procedure	—

Secondary

Measure	Time frame
To compare the following parameters between the two groups: 1. Number of needle insertion attempts 2. Number of needle passes 3. Visibility of ligamentum flavum/ duramater complex (LFD and anterior complex. 4. Distance from skin to ligamentum flavum/ duramater complex (LFD) and to intrathecal space (ITS) 5. ComplicationsTimepoint: 20min	—

Countries

India

Contacts

Public ContactBannur Manisha

Pondicherry Institute of Medical Sciences

ajstyle.bt@gmail.com9791853400

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026