The term malnutrition was then given the name marasmus, which was the very first version. Even though the connection between nutrition status, malnutrition and health state was discovered as early as 200 BC, there is still no universally agreedupon definition of malnutrition. The process of diagnosing malnutrition has become more complicated than that of other diseases as a result of the absence of a clear definition. An expert consensus definition of nutrition disorder was presented in 2015 by the experts, which included malnutrition, micronutrient deficiency and over nutrition. This agreement by and large parts over nutrition and micronutrient lack from the meaning of old hunger. The new definition restricted unhealthiness in states of energy and macronutrient lack, which was known as protein energy ailing health. The customary course of lack of healthy sustenance determination was a twostage demonstrative framework, including nourishment screening and sustenance evaluation. Since hunger is a precise infection and numerous organ brokenness disorder, being seriously malnourished couldn't impact the body weight, body sythesis and organ capabilities, yet in addition adversely influence patients' emotional wellness conditions, otherworldly lives and social jobs. Patients' safety could be jeopardized in these states, particularly those undergoing surgery. A thorough evaluation of surgical patients could hardly be performed by conventional two-stage diagnostic systems.

Inflammatory burden, organ dysfunction, metabolic disorders, mental psychological issues and neurological abnormalities are among the consequences of malnutrition that go beyond the scope of nutrition assessment. It is evident that patients during the perioperative period are at risk for malnutrition. Dietary status is essentially displayed to affect patients' clinical results. Due to increased metabolic needs and inadequate oral intake, oncology patients, particularly those with esophageal and gastrointestinal tumors, would noticeably exhibit signs and symptoms of malnutrition. Due to the catabolic disease state and other aggressive treatments, cancer patients are more likely to be anorexic. Surgical treatment, on the other hand, is a relatively invasive procedure that can result in high metabolic stress, a prolonged stay and the possibility of postoperative complications. The current examinations demonstrated that nourishment backing would eminently build the clinical results, diminish the gamble of confusions and reduction the length of medical clinic stay for perioperative disease patients. These positive effects on perioperative results make an exhaustive nourishment care plan especially fundamental for every single perioperative patient.

With Regards,
Joseph Kent
Journal Manager
Journal of Clinical Nutrition & Dietetics