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Anaethesia outcomes of high risk below knee surgical patients to two different types of block CAPS(cross-wise approach to popliteal sciatic block) with femoral and popliteal with femoral nerve block

Anesthesia outcomes of high-risk below-knee surgical patients comparing two techniques: CAPS (cross-wise approach to popliteal sciatic block) with femoral block versus popliteal sciatic block with femoral block - CAPS-BKA

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/06/112446
Enrollment
70
Registered
2026-06-10
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-22

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

Conditions

Health Condition 1: I739- Peripheral vascular disease, unspecified

Interventions

Intervention1: CAPS block with femoral nerve block: Ultrasound guided CAPS (Cross-wise Approach to Popliteal Sciatic) block combined with femoral nerve block for anaesthesia in high risk patients unde

Sponsors

Dr Anandakumar
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients aged 18 years and above ASA physical status III and IV Patients undergoing below knee amputation or below knee debridement Eligible to receive either CAPS block with femoral nerve block or femoral popliteal block Patients willing to provide written informed consent

Exclusion criteria

Exclusion criteria: Refusal to give informed consent Infection at the block injection site Allergy to local anaesthetics or study drugs Coagulopathy or patients on therapeutic anticoagulation as per institutional guidelines Severe local oedema or anatomical distortion preventing ultrasound visualization Pre existing major neuropathy in the affected limb Haemodynamic instability where regional block is unsafe Severe sepsis or septic shock requiring vasopressor support Inability to lie supine for block administration Mental status changes or inability to cooperate for block assessment Patients requiring immediate surgery not allowing time for block assessment

Design outcomes

Primary

MeasureTime frame
Block success rate:successful completion of below knee surgery without conversion to general anaesthesia. no need of additional block. no significant intraoperative rescue analgesiaTimepoint: assessed during the intraoperative period until completion of surgery

Secondary

MeasureTime frame
time for onset of block:Time taken to adequate sensory blockTimepoint: assessed every 5 minutes after block administration until adequate sensory block is achieved;duration of analgesia(time until first request for pain relief)Timepoint: up to 48 hours postoperatievly;Intraoperative haemodynamic stability(heart rate and blood pressure changes)Timepoint: throughout the interoperative period;Postoperative pain score(VAS score)Timepoint: 0 hour,2 hours,24 hours,48 hours postoperatievly;total rescue analgesia requirementTimepoint: with in first 24 hours postoperatievly;complications(hypotension,local anaesthetic toxicity,block failure,nerve injury)Timepoint: Intraoperative period and up to day 7 follow up

Countries

India

Contacts

Public ContactANANDAKUMAR N

Institute of Anaesthesiology

rani4kalyan@yahoo.co.in9655986617

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 29, 2026