Carpal Tunnel Release Surgery- A Systematic Review of Open and Endoscopic Approaches

Vwaire Orhurhu, Sebastian Orman, Jacquelin Peck, Ivan Urits, Mariam Salisu Orhurhu, Mark R Jones, Laxmaiah Manchikanti, Alan D Kaye, Charles Odonkor, Sameer Hirji, Elyse M Cornett, Farnad Imani, Giustino Varrassi, Omar Viswanath, Vwaire Orhurhu, Sebastian Orman, Jacquelin Peck, Ivan Urits, Mariam Salisu Orhurhu, Mark R Jones, Laxmaiah Manchikanti, Alan D Kaye, Charles Odonkor, Sameer Hirji, Elyse M Cornett, Farnad Imani, Giustino Varrassi, Omar Viswanath

Abstract

Context: Carpal tunnel syndrome (CTS) is the most frequent peripheral compression-induced neuropathy observed in patients worldwide. Surgery is necessary when conservative treatments fail and severe symptoms persist. Traditional Open carpal tunnel release (OCTR) with visualization of carpal tunnel is considered the gold standard for decompression. However, Endoscopic carpal tunnel release (ECTR), a less invasive technique than OCTR is emerging as a standard of care in recent years.

Evidence acquisition: Criteria for this systematic review were derived from Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Two review authors searched PubMed, MEDLINE, and the Cochrane Database in May 2018 using the following MeSH terms from 1993-2016: 'carpal tunnel syndrome,' 'median nerve neuropathy,' 'endoscopic carpal tunnel release,' 'endoscopic surgery,' 'open carpal tunnel release,' 'open surgery,' and 'carpal tunnel surgery.' Additional sources, including Google Scholar, were added. Also, based on bibliographies and consultation with experts, appropriate publications were identified. The primary outcome measure was pain relief.

Results: For this analysis, 27 studies met inclusion criteria. Results indicate that ECTR produced superior post-operative pain outcomes during short-term follow-up. Of the studies meeting inclusion criteria for this analysis, 17 studies evaluated pain as a primary or secondary outcome, and 15 studies evaluated pain, pillar tenderness, or incision tenderness at short-term follow-up. Most studies employed a VAS for assessment, and the majority reported superior short-term pain outcomes following ECTR at intervals ranging from one hour up to 12 weeks. Several additional studies reported equivalent pain outcomes at short-term follow-up as early as one week. No study reported inferior short-term pain outcomes following ECTR.

Conclusions: ECTR and OCTR produce satisfactory results in pain relief, symptom resolution, patient satisfaction, time to return to work, and adverse events. There is a growing body of evidence favoring the endoscopic technique for pain relief, functional outcomes, and satisfaction, at least in the early post-operative period, even if this difference disappears over time. Several studies have demonstrated a quicker return to work and activities of daily living with the endoscopic technique.

Keywords: Carpal Tunnel Syndrome; Chronic Pain; Disability; Endoscopic Carpal Tunnel Release; Endoscopic Surgery; Entrapment Neuropathy; Median Neuropathy; Open Carpal Tunnel Release.

Conflict of interest statement

Conflict of Interests: Alan Kaye is on the Speakers Bureau for Merck Pharmaceuticals.

Copyright © 2020, Author(s).

Figures

Figure 1.. Flow diagram illustrating published literature…
Figure 1.. Flow diagram illustrating published literature evaluating endoscopic vs. open surgical techniques of carpal tunnel decompression.

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Source: PubMed

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