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The purpose of the study was to evaluate the therapeutic effect of low-level laser in improving pain and ROM following flexor tendon repair surgery.
Flexor tendon injury is a common issue requiring early postoperative mobilization. Prolonged immobilization can lead to complications such as muscle atrophy, joint stiffness, osteoarthritis, infection, pain, joint cartilage ulceration, joint contracture, and tendon rupture. Low level laser therapy has been shown to accelerate inflammation, promote fibroblast proliferation, regulate procollagen messenger ribonucleic acid synthesis, accelerate bone repair and remodeling, encourage wound revascularization, and accelerate tissue repair. This study aims to evaluate the effectiveness of Low level laser therapy in pain management and improving range of motion after flexor tendon repair.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Low Level Laser Therapy | Experimental | This group included 22 patients with zone II, and III flexor tendon injuries whom have pain and limited range of motion post flexor tendon repair surgery and received low-level laser therapy, 3 sessions per week, for a period of 4 weeks in addition to their physical therapy program and medical treatment |
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| placebo low level laser therapy | Active Comparator | This group included 22 patients with zone II, and III flexor tendon injuries whom have pain and limited range of motion after flexor tendon repair surgery and received placebo low-level laser therapy, 3 sessions per week for 4 weeks in addition to their physical therapy program and medical treatment. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Low Level laser therapy | Device | The patient received low-level laser therapy three times per week for four weeks, with immobilization maintained. The Mustang 2000 Laser device was used with an infrared laser probe to accelerate tendon healing. The device's specifications include peak power output of 15W, power density of 15W/cm2, wave length of 890nm, pulse frequency of 100Hz, spherical size of 0.002cm2, pulse duration of 130 ns, exposure duration of 60 sec, and energy density of 5.85J/cm2. |
| Measure | Description | Time Frame |
|---|---|---|
| Assessment of change of pain intensity | The Visual Analogue Scale is a 100mm line used for pain measurement, validated for various conditions like sleep, anxiety, breathlessness, and pruritus intensity. It accurately reflects pain changes, is reusable, and sensitive to acute pain changes. | At baseline and after 4 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| assessment of change of active range of motion of metacarpophalangeal joint | Goniometers, typically made of plastic or metal, measure the degree of motion in a single plane by aligning a stationary arm, a movable arm, and a fulcrum with the joint axis. it was used to measure the active range of motion of metacarpophalangeal joint when the patient is in a sitting position. | At baseline and after 4 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cairo university hospitals | Cairo | Egypt |
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| Placebo low level laser therapy | Device | Same as in the study group except turning on the device with covering probe by aluminum foil and ask patient to wear sun glasses to obtain the placebo effect 3 sessions per week for 4 weeks. |
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| medical treatment | Other | the patients received their drugs from their treating physicians |
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| physical therapy program | Other | patients received the traditional program after flexor tendon repair involving isometric exercise, stretching and mobilizations |
|
| assessment of change of active range of motion of proximal interphalangeal joint | Goniometers, typically made of plastic or metal, measure the degree of motion in a single plane by aligning a stationary arm, a movable arm, and a fulcrum with the joint axis. it was used to measure the active range of motion of proximal interphalangeal joint when the patient is in a sitting position. | At baseline and after 4 weeks |
| assessment of change of active range of motion of distal interphalangeal joint | Goniometers, typically made of plastic or metal, measure the degree of motion in a single plane by aligning a stationary arm, a movable arm, and a fulcrum with the joint axis. it was used to measure the active range of motion of distal interphalangeal joint when the patient is in a sitting position. | At baseline and after 4 weeks |
| ID | Term |
|---|---|
| D028022 | Low-Level Light Therapy |
| ID | Term |
|---|---|
| D053685 | Laser Therapy |
| D013812 | Therapeutics |
| D010789 | Phototherapy |
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