Surgical endoscopy · 2019
Clinical efficacy of per-oral endoscopic myotomy (POEM) for spastic esophageal disorders: a systematic review and meta-analysis.
СтатьяМетаанализПоддержка исследования: вне правительства СШАСистематический обзорНазвание и аннотация: Перевод пока не подготовлен
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Chandan Saurabh, Mohan Babu Pappu, Chandan Ojasvini Choudhry, Jha Lokesh Kumar, Mashiana Harmeet Singh, Hewlett Alexander Todd, Khashab Mouen A
Аннотация
BACKGROUND: POEM has been successfully performed in patients with spastic esophageal disorders (SED), such as diffuse esophageal spasm, jackhammer esophagus, and type 3 achalasia. We performed a systematic review and meta-analysis to evaluate its efficacy in these patients and if total average myotomy length and prior medical or endoscopic treatments affected clinical success.
METHODS: PubMed, EMBASE, Google-Scholar, Scopus, and Cochrane Review were searched for studies on POEM in SED from 2008 to September 2018. Clinical success was determined by Eckardt score (≤ 3) at follow-up. Sub-group analysis was performed based on myotomy length and evaluates the effect of prior treatments on clinical success.
RESULTS: 9 studies with 210 patients were included in the final analysis. We found that the pooled rate of clinical success for POEM was 89.6% (95% CI 83.5-93.1, 95% PI 83.4-93.7, I2 = 0%). In three studies (50 patients), where total myotomy length was < 10 cm, the pooled rate of clinical success was 91.1% (95% CI 79.5-96.4, I2 = 0%). In six studies (160 patients), the length was > 10 cms and the pooled rate of clinical success was 89.1% (95% CI 83.0-93.2, I2 = 0%). The difference between these results was not statistically significant (p = 0.69). Additionally, a meta-regression analysis showed that prior treatment status did not significantly affect the primary outcome (p = 0.43).
CONCLUSIONS: While it is well known that POEM is a safe and effective treatment for spastic esophageal disorders, we conclude that variation in total myotomy length and prior endoscopic or medical treatments did not have a significant effect on clinical success.
METHODS: PubMed, EMBASE, Google-Scholar, Scopus, and Cochrane Review were searched for studies on POEM in SED from 2008 to September 2018. Clinical success was determined by Eckardt score (≤ 3) at follow-up. Sub-group analysis was performed based on myotomy length and evaluates the effect of prior treatments on clinical success.
RESULTS: 9 studies with 210 patients were included in the final analysis. We found that the pooled rate of clinical success for POEM was 89.6% (95% CI 83.5-93.1, 95% PI 83.4-93.7, I2 = 0%). In three studies (50 patients), where total myotomy length was < 10 cm, the pooled rate of clinical success was 91.1% (95% CI 79.5-96.4, I2 = 0%). In six studies (160 patients), the length was > 10 cms and the pooled rate of clinical success was 89.1% (95% CI 83.0-93.2, I2 = 0%). The difference between these results was not statistically significant (p = 0.69). Additionally, a meta-regression analysis showed that prior treatment status did not significantly affect the primary outcome (p = 0.43).
CONCLUSIONS: While it is well known that POEM is a safe and effective treatment for spastic esophageal disorders, we conclude that variation in total myotomy length and prior endoscopic or medical treatments did not have a significant effect on clinical success.