Aim: The evaluation of incidence and in-hospital high death in surgery cases through pre-existing memory to someone in non-dementia selected patients’ emergency and non-urgent general surgical procedures. Methods: There were150 cases through dementia remained matched for gender in addition to type of operation through 150 patients without dementia from a sample of 16,350 individuals having surgery. As possible confounders, patient data were evaluated, with sex, BMI, the occurrence of specific illnesses at admission, and various other characteristics that may have been linked to overall outcome in patients. Results: This remained demonstrated through the greater average multitude of issues per individual (4.31 vs 3.37), as well as the higher average score on complete difficulty index (49.62 vs 38.61), all of which were significant statistically indicated the substantial change among the two. The total in-hospital fatality rate in individuals through dementia remained 29.4%. (35 deaths out of 130 Individuals). Throughout same time phase, our hospital's total in-hospital risk of dying in treatment set remained 21%. (25 demises out of 130 individuals). Individuals through besides without dementia exhibited four besides six linked danger variables for illness, correspondingly, in addition ten and thirteen lifestyle issues for death. Conclusion: The deadly consequences are more common than in postoperative pain without dementia. Cases through pre-existing dementia had the higher-than-average chance of dying soon afterward operation.