Effect of different types of discectomy on lumbar spinal stenosis

Comparison of the effectiveness of unilateral and bilateral discectomy in patients with bilateral lumbar spinal stenosis with unilateral manifestations

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20250805066769N1

Enrollment

Registered

2025-08-12

Start date

2025-08-09

Completion date

Unknown

Last updated

2025-08-19

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

Conditions

Lumbar spine degenerative disease. Other degenerative diseases of nervous system, not elsewhere classified

Interventions

Intervention 1: Intervention Group: Includes patients who will undergo unilateral laminectomy. In unilateral laminectomy, a 5 cm incision is made in the lumbar region, and the lamina (the posterior pa

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with bilateral lumbar spinal stenosis with unilateral clinical symptoms

Exclusion criteria

Exclusion criteria: Use of conservative treatments for at least six weeks Visual analog scale score above 7 before surgery Any previous back surgery Anemia Rheumatoid arthritis Osteoporosis High blood pressure Uncontrolled diabetes Presence of any active infection in the body Taking anticoagulant medications Taking medications that affect wound healing Long-term use of opiates, cigarettes, and other narcotic drugs before surgery

Design outcomes

Primary

Measure	Time frame
Bleeding. Timepoint: During surgery. Method of measurement: Accumulated blood in the suction bottle and blood gases.;Pain. Timepoint: Patients' pain level during recovery. Method of measurement: Visual Analogue Scale of Pain (VAS).;Cut length. Timepoint: During surgery. Method of measurement: From one end of the incision to the other end using a sterile ruler.;Time of surgery. Timepoint: During surgery. Method of measurement: Time from start to finish of surgery using a stopwatch.;Rehabilitation. Timepoint: Before surgery. Method of measurement: Oswestry Disability Index (ODI) questionnaire.;Quality of life. Timepoint: Before surgery. Method of measurement: Quality of Life Questionnaire (SF-36).;Body mass index. Timepoint: Before surgery. Method of measurement: Preoperative demographic information.;Unilateral laminectomy. Timepoint: Before surgery. Method of measurement: According to the surgeon's diagnosis.;Bilateral laminectomy. Timepoint: Before surgery. Method of measurement: According to the surgeon's diagnosis.	—

Measure

Time frame

Bleeding. Timepoint: During surgery. Method of measurement: Accumulated blood in the suction bottle and blood gases.;Pain. Timepoint: Patients' pain level during recovery. Method of measurement: Visual Analogue Scale of Pain (VAS).;Cut length. Timepoint: During surgery. Method of measurement: From one end of the incision to the other end using a sterile ruler.;Time of surgery. Timepoint: During surgery. Method of measurement: Time from start to finish of surgery using a stopwatch.;Rehabilitation. Timepoint: Before surgery. Method of measurement: Oswestry Disability Index (ODI) questionnaire.;Quality of life. Timepoint: Before surgery. Method of measurement: Quality of Life Questionnaire (SF-36).;Body mass index. Timepoint: Before surgery. Method of measurement: Preoperative demographic information.;Unilateral laminectomy. Timepoint: Before surgery. Method of measurement: According to the surgeon's diagnosis.;Bilateral laminectomy. Timepoint: Before surgery. Method of measurement: According to the surgeon's diagnosis.

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Secondary

Measure	Time frame
Pain. Timepoint: 1 and 6 months after surgery. Method of measurement: Visual Analogue Pain Scale.;Infection. Timepoint: 1 and 6 months after surgery. Method of measurement: Surgeon's examinations and related tests.;Quality of life. Timepoint: 1 and 6 months after surgery. Method of measurement: Quality of Life Questionnaire (SF-36).;Rehabilitation. Timepoint: 1 and 6 months after surgery. Method of measurement: Oswestry Disability Index (ODI) questionnaire.;Disc recurrence. Timepoint: 1 and 6 months after surgery. Method of measurement: MRI and diagnostic imaging.;Need for re-surgery. Timepoint: 1 and 6 months after surgery. Method of measurement: According to the surgeon, based on the new X-ray and MRI.	—

Measure

Time frame

Pain. Timepoint: 1 and 6 months after surgery. Method of measurement: Visual Analogue Pain Scale.;Infection. Timepoint: 1 and 6 months after surgery. Method of measurement: Surgeon's examinations and related tests.;Quality of life. Timepoint: 1 and 6 months after surgery. Method of measurement: Quality of Life Questionnaire (SF-36).;Rehabilitation. Timepoint: 1 and 6 months after surgery. Method of measurement: Oswestry Disability Index (ODI) questionnaire.;Disc recurrence. Timepoint: 1 and 6 months after surgery. Method of measurement: MRI and diagnostic imaging.;Need for re-surgery. Timepoint: 1 and 6 months after surgery. Method of measurement: According to the surgeon, based on the new X-ray and MRI.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactMahdi Arjipour

Hamedan University of Medical Sciences

Mahdiarjipour@yaho.com+98 81 3131 1000

Outcome results

None listed

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