Parenteral Antibiotics Compared to Combination of Oral and Parenteral Antibiotics in Colorectal Surgery Prophylaxis

Hospital stay

Hospital stay since colorectal surgery is done

Time frame: Participants will be followed for the duration of hospital stay, an expected average of 7 days

Direct Adverse Drug Reactions

Allergic reactions Intolerance •This morbidity problems are reported independently as a YES/NO variable

Time frame: 24 hours since the drug is taken

Occlusive problems

Intestinal occlusion, Anastomotic stenosis, Prolonged ileus(\>5days),.... Occlusive problems, Iatrogenic problems, Impaired healing ( Anastomotic leak rate , intestinal fistula , vesical fistula, peritonitis...) Bleeding problems, Cardiac complications, Nephro-urinary complications, Respiratory complications, Vascular Complications, Gastrointestinal complications, Neurological complications, Local complications... •This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days from surgery

Iatrogenic problems

Damage to structures such as ureters, bowel loops artery / iliac vein .... •This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days after surgery

Impaired healing

* This is a Clinical measure always supported by image tests. * This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days after surgery

Bleeding problems

Hemoperitoneum, abdominal hematoma,anastomotic bleeding .... •This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days after surgery

Cardiac complications

acute myocardial infarction, angor pectoris , atrial fibrillation, acute pulmonary edema * This is a Clinical measure supported by more specific tests if necessary. * This morbidity problems are reported independently as a YES/NO variable * Cardiologist report will be required for including this items

Time frame: 30 days after surgery

Nephro-urinary complications

Acute urinary retention, Acute renal failure, cystitis, pyelonephritis ... * This is a Clinical measure supported by more specific tests if necessary. * This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days after surgery

Respiratory complications

Pneumonia, Atelectasis, Pulmonary embolism, Respiratory distress syndrome ... * This is a Clinical measure always supported by image . * This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days after surgery

Vascular Complications

Deep venous thrombosis, phlebitis, thrombophlebitis, ... * This is a Clinical measure supported by more specific test if necessary . * This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days after surgery

Gastrointestinal complications

Liver failure, gastrointestinal bleeding, severe malnutrition, ... * This is a Clinical measure supported by blood test and further test if necessary * This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days after surgery

Neurological complications

Disorientation, cerebral vascular accident, ... * This is a Clinical measure. * This morbidity problems are reported independently as a YES/NO variable. * Neurologist report will be required beyond disorientation.

Time frame: 30 days after surgery

Local infection

Superficial, deep, body-cavity * This is a Clinical measure supported by image if necessary * This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days after surgery

Local complications

Hematoma, seroma, evisceration * This is a Clinical measure. * This morbidity problems are reported independently as a YES/NO variable

Time frame: 30 days after surgery