Comparison of ropivacaine (hyperbaric) with or without adjuvant (fentanyl) in spinal block in patient posted for surgery around the anus.

Comparative Evaluation Of Anaesthetic Effects Of Intra Thecal Hyperbaric Ropivacaine 0.75% With Or Without Fentanyl In Perianal Surgery: A Randomized Double-Blind Study - NIL

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2023/09/057665

Enrollment

Registered

2023-09-15

Start date

Unknown

Completion date

Unknown

Last updated

2023-10-16

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

Conditions

Health Condition 1: K600- Acute anal fissure Health Condition 2: K610- Anal abscess Health Condition 3: K602- Anal fissure, unspecified Health Condition 4: K603- Anal fistula Health Condition 5: K620- Anal polyp Health Condition 6: K612- Anorectal abscess Health Condition 7: K605- Anorectal fistula Health Condition 8: K601- Chronic anal fissure Health Condition 9: O- Medical and Surgical

Interventions

Intervention1: Intrathecal ropivacaine heavy with or without fentanyl: Comparison of Intrathecal hyperbaric ropivacaine 0.75% 1.5 ml and hyperbaric ropivacaine 0.75% -1 ml with 0.5ml(25 mcg) fentanyl

Eligibility

Inclusion criteria

Inclusion criteria: Patients with ASA physical status Grade I and II Posted for perianal surgeries under saddle block.

Exclusion criteria

Exclusion criteria: Pregnant patients. Patients having coagulation abnormalities, platelet count 1.5, or on anticoagulants. Patients having systemic illness (like severe hypovolemia, raised intracranial pressure, neuromuscular diseases, ischemic/ valvular/ congenital heart diseases, psychiatric, hematological disorder). Patients having any absolute contraindications for spinal anaesthesia. Patient refusal to participate in study

Design outcomes

Primary

Measure	Time frame
Duration of analgesiaTimepoint: Up to 6 hour post operatively	—

Secondary

Measure	Time frame
To study block characteristics. To study hemodynamic variables. To study Side effects / Complications Timepoint: Up to 24 hour post operatively	—

Countries

India

Contacts

Public ContactDr Deepak Mehra

rnt medical college

htungaria@gmail.com9829370866

Outcome results

None listed

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