General Abdominal Surgery

Mr. Ramasamy aged 60 yrs is posted for general abdominal surgery.
.(a) Discuss in detail the preoperative care  (4).
(b) Explain the process of wound healing (3)
(c) Discuss the postoperative nursing care which is needed to prevent complications of general surgery                                                                                                                                                                                                                                                                                  
Definition
General abdominal surgery usually refers to operations done on the gastrointestinal system

Pre-operative Care
Relieve pain if present
Do necessary lab investigations - CBC, Blood sugar, BT, CT, activated partial thromboplastin time (aPTT), Ssrum electrolytes, Blood Urea, serum creatinine
Stop antiplatelet medicines
Control Blood Glucose levels if possible Keep between 150-200 mg%. Very strict control not needed
Rehydrate patients if dehyration is present. Infuse IV fluids to maintain normal hydration.
Control vomiting and abdominal distension by naso gastric suction. If emergency surgery is needed a preoperative insertion of a naso gastric tube is needed.
In elderly patients and patients with Ischaemic Heart Disease : ECG, Ehocardiogram, Cardiologist's and Anaesthetist's assessment
Check BP,Pulse rate, SpO2 - Control BP
Broncho dilatore if needed
Assess the nutritional status - patenteral nutrition if needed
Assess urinary functions
Look for any septic focus like boils, ulcers
Look for dehydration
X-Ray Chest PA view
Explain the procedure and relieve anxiety
Deep Breathing Execises
Teach how to cough with support to the abdominal wall
For those above 45 start a proton pump inhibitor
If colo-rectal surgery: Liquid diet for 4 days, bowel wash
Carotid Doppler study for those who have had transient ischemic attacks or stroke
Inj.TT, xylocaine sensitivity test, antihypertensive drugs and prophylactic antibiotics administered
Nil orally for at least 6-8 hours before surgery
Diuretics not used on the day of surgery  -  risk of hypovolemia during surgery - to be continued after surgery
Preferably stop metformin 48 hours before surgery
l-Dihydroxyphenylalanine for Parkinson's to be continued throughout peri-operative period
Smoking to be stopped preferably 4 weeks earlier
Obesity to be controlle prior to surgery if possible
Oral hygiene attended to

























Post-operative Care
Relieve pain - non-opioid analgesics preferred when paralytic ileus of the intestines are likely.
Epidural catheter if + Pain relieving drugs admininstered as per schedule
ECG immediately after surgery and on days 1 and 2 for those above 40
Administer antibiotics - 3rd 4th or 5th generation cephalosporins
Metronidazole added if needed
Breathing exercises - incentive spirometer
Ventilatory support using small tidal volumes and predefined end-expiratory pressure settings when indicated - reduces inflammatory reaction
Temperature management
Elective surgery - patients kept in their room
High risk patients in ICU
Early mobilization
Measures to prevent DVT (Deep Vein Thrombosis) - elastic crepe bandage, in some patients LMWH;  hourly leg exercises, avoid prolonged "dangling" of the lower limbs over the edge of the bed
Early removal of tubes, catheters and drains and nasogastric tubes
Nasogastric tube is only recommended as long as the retrograde fluid delivery of the tube exceeds 100 ml/day.
Early oral nutrition
Nausea and vomiting controlled by appropriate measures (emeset, domperidone)
Expectation & Early detection of complications
For elderly patients, a complication termed postoperative cognitive decline to be recognized
Postoperative delirium, which is defined as confusion and altered consciousness if occurs may last for many days
Fowler's position
Guard against hypotension and shock
Pulmonary embolism to be prevented
Look for dehydration
Large hematomas have to be evacuated removing several sutures and packed light with gauze:
supplemental oxygen during colorectal resection and for 2 hrs postoperatively reduces infection
wound infection - red streaks around wound - wound infection manifests by 5th day
Look for pus discharge, foul odor; dressings kept clean and dry; wet dressings changed
Wound dehiscence looked for - watery brown discharge - an abdominal binder properly applied along with the primary dressing especially in pts with weak or pendulous abdominal walls or when rupture of a wound has occurred
Abdominal girth measurement if needed
Intestinal function monitored
When bowel sounds or passage of flatus start Gradual feeding starting with clear fluids, milk, fruit juices , liquid diet semisolid solid
Look for urnary retention
encourage voiding of urine by early ambulation, applying warmth to the perineum or intermittent catheterization, indwelling catheter is avoided as far as possible. Post voidal volume assesed by palpation or by a portable ultra sound machine
Emotional support, provide an environment to enhance rest and relaxatio by providing privacy, reducing noise, adjusting the lighting, providing enough seating for family members

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