Meta-Analysis
Copyright ©The Author(s) 2020.
World J Gastroenterol. Sep 14, 2020; 26(34): 5207-5219
Published online Sep 14, 2020. doi: 10.3748/wjg.v26.i34.5207
Table 1 Description of 16 studies included in the final analysis
Ref.YearType of studyCenterMean age (yr)


No. of patients


Males
Females
TotalEHLLLTotalTotal
Howell et al[29]1999ProspectiveSingle62.566051
Hirai et al[28]2004ProspectiveSingle51.21701798
Brauer et al[30]2007ProspectiveSingle54272701215
Chen et al[8]2008ProspectiveSingle--10100----
Fishman et al[9]2009RetrospectiveMulti--660----
Maydeo et al[27]2011ProspectiveSingle--404----
Shah et al[26]2012RetrospectiveMulti5128028----
Alatawi et al[31]2013ProspectiveSingle53.850541
Ito et al[23]2014ProspectiveSingle--880----
Malachias et al[24]2017RetrospectiveSingle--19019136
Bekkali et al[7]2017RetrospectiveSingle4566033
Canena et al[20]2019ProspectiveMulti--32130
Gerges et al[21]2019RetrospectiveMulti62.420218119
Brewer Gutierrez et al[2]2019RetrospectiveMulti54.710959507732
Ogura et al[25]2019ProspectiveSingle5521210156
Han et al[22]2019RetrospectiveSingle--94--------
Table 2 Pooled rates of technical success, clinical success, and adverse events of per oral pancreatoscopy, electrohydraulic lithotripsy and laser lithotripsy
POP (%)EHL (%)LL (%)
Technical success76.4 (95%CI: 65.9-84.5; I2 = 64%)70.3 (95%CI: 57.8-80.3; I2 = 36%)89.3 (95%CI: 70.5-96.7; I2 = 70%)
Clinical success76.8 (95%CI: 65.2-85.4; I2 = 66%)66.5 (95%CI: 55.2-76.2; I2 = 19%)88.2 (95%CI: 66.4-96.6; I2 = 77%)
All adverse events14.9 (95%CI: 9.2-23.2; I2 = 49%)11.2 (95%CI: 5.9-20.3; I2 = 15%)13.1 (95%CI: 6.3-25.4; I2 = 31%)
PEP7.0 (95%CI: 3.5-13.6; I2 = 38%)----
Fever3.7 (95%CI: 2-6.9; I2 = 0)----
Abdominal pain4.7 (95%CI: 2.7-7.8; I2 = 0)----
Perforation4.3 (95%CI: 2.1-8.4; I2 = 0)----
Hemorrhage3.4 (95%CI: 1.7-6.6; I2 = 0)----
Table 3 Adverse events in all procedures
Ref.TotalPEPPerforationBleedingFeverAbd painEHLLL
Howell et al[29]20100120
Hirai et al[28]00000000
Brauer et al[30]00000000
Chen et al[8]1----------1--
Fishman et al[9]----------------
Maydeo et al[27]----------------
Shah et al[26]7----------07
Alatawi et al[31]00000000
Ito et al[23]21100020
Malachias et al[24]00000000
Bekkali et al[7]0000000--
Canena et al[20]210010----
Gerges et al[21]751100----
Brewer Gutierrez et al[2]145123356
Ogura et al[25]11000010
Han et al[22]81001571