Case Control Study
Copyright ©The Author(s) 2018.
World J Gastrointest Endosc. Sep 16, 2018; 10(9): 193-199
Published online Sep 16, 2018. doi: 10.4253/wjge.v10.i9.193
Table 3 Characteristics of three cases
CharacteristicsCase 1Case 2Case 3
Age; yr746173
SexFemaleMaleFemale
BMI; kg/cm225.923.421.5
Preoperative symptoms
Weight lossYesNoneNone
Chest painYesNoneYes
DysphagiaYesYesYes
RegurgitationYesYesYes
Previous interventionPharmacological therapyNoneNone
Lower esophageal sphincter pressure; mmHg316451
DiagnosisDiffuse esophageal spasmJackhammer esophagusJackhammer esophagus
Duration of anesthesia; minutes163141229
Maintenance of anesthesiainhalationinhalationinhalation
Length of muscular incision
Esophageal side; cm181519
Gastric side; cm334
Maximum EtCO2; mmHg6763177
Maximum peak airway pressure under 6-8 mL/kg volume controlled ventilation; mmHg374046