Caitlin E W Conley1, Carl G Mattacola2, Kate N Jochimsen3, Emily V Dressler4, Christian Lattermann5, Jennifer S Howard6. 1. Department of Orthopaedic Surgery and Sports Medicine, College of Medicine, University of Kentucky, Lexington, Kentucky. 2. College of Health and Human Sciences, The University of North Carolina Greensboro, Greensboro, North Carolina. 3. Division of Athletic Training, School of Medicine, West Virginia University, Morgantown, West Virginia. 4. Department of Biostatistics and Data Science, School of Medicine, Wake Forest University, Winston-Salem, North Carolina. 5. Department of Orthopedic Surgery, Center for Cartilage Repair and Sports Medicine, Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts. 6. Department of Health and Exercise Science, Beaver College of Health Sciences, Appalachian State University, Boone, North Carolina.
Abstract
CONTEXT: Postoperative quadriceps strength weakness after knee surgery is a persistent issue patients and health care providers encounter. OBJECTIVE: To investigate the effect of neuromuscular electrical stimulation (NMES) parameters on quadriceps strength after knee surgery. DATA SOURCES: CINAHL, MEDLINE, SPORTDiscus, and PubMed were systematically searched in December 2018. STUDY SELECTION: Studies were excluded if they did not assess quadriceps strength or if they failed to report the NMES parameters or quadriceps strength values. Additionally, studies that applied NMES to numerous muscle groups or simultaneously with other modalities/treatments were excluded. Study quality was assessed with the Physiotherapy Evidence Database (PEDro) scale for randomized controlled trials. STUDY DESIGN: Systematic review. LEVEL OF EVIDENCE: Level 1. DATA EXTRACTION: Treatment parameters for each NMES treatment was extracted for comparison. Quadriceps strength means and standard deviations were extracted and utilized to calculate Hedge g effect sizes with 95% CIs. RESULTS: Eight RCTs were included with an average Physiotherapy Evidence Database scale score of 5 ± 2. Hedge g effect sizes ranged from small (-0.37; 95% CI, -1.00 to 0.25) to large (1.13; 95% CI, 0.49 to 1.77). Based on the Strength of Recommendation Taxonomy Quality of Evidence table, the majority of the studies included were low quality RCTs categorized as level 2: limited quality patient-oriented evidence. CONCLUSION: Because of inconsistent evidence among studies, grade B evidence exists to support the use of NMES to aid in the recovery of quadriceps strength after knee surgery. Based on the parameters utilized by studies demonstrating optimal treatment effects, it is recommended to implement NMES treatment during the first 2 postoperative weeks at a frequency of ≥50 Hz, at maximum tolerable intensity, with a biphasic current, with large electrodes and a duty cycle ratio of 1:2 to 1:3 (2- to 3-second ramp).
CONTEXT: Postoperative quadriceps strength weakness after knee surgery is a persistent issue patients and health care providers encounter. OBJECTIVE: To investigate the effect of neuromuscular electrical stimulation (NMES) parameters on quadriceps strength after knee surgery. DATA SOURCES: CINAHL, MEDLINE, SPORTDiscus, and PubMed were systematically searched in December 2018. STUDY SELECTION: Studies were excluded if they did not assess quadriceps strength or if they failed to report the NMES parameters or quadriceps strength values. Additionally, studies that applied NMES to numerous muscle groups or simultaneously with other modalities/treatments were excluded. Study quality was assessed with the Physiotherapy Evidence Database (PEDro) scale for randomized controlled trials. STUDY DESIGN: Systematic review. LEVEL OF EVIDENCE: Level 1. DATA EXTRACTION: Treatment parameters for each NMES treatment was extracted for comparison. Quadriceps strength means and standard deviations were extracted and utilized to calculate Hedge g effect sizes with 95% CIs. RESULTS: Eight RCTs were included with an average Physiotherapy Evidence Database scale score of 5 ± 2. Hedge g effect sizes ranged from small (-0.37; 95% CI, -1.00 to 0.25) to large (1.13; 95% CI, 0.49 to 1.77). Based on the Strength of Recommendation Taxonomy Quality of Evidence table, the majority of the studies included were low quality RCTs categorized as level 2: limited quality patient-oriented evidence. CONCLUSION: Because of inconsistent evidence among studies, grade B evidence exists to support the use of NMES to aid in the recovery of quadriceps strength after knee surgery. Based on the parameters utilized by studies demonstrating optimal treatment effects, it is recommended to implement NMES treatment during the first 2 postoperative weeks at a frequency of ≥50 Hz, at maximum tolerable intensity, with a biphasic current, with large electrodes and a duty cycle ratio of 1:2 to 1:3 (2- to 3-second ramp).
Entities:
Keywords:
anterior cruciate ligament; meniscectomy; quadriceps impairment; total knee arthroplasty
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