Soru

Zorluk: ZorGastrointestinal and Abdominal Surgery

A 71-year-old male is transported to the emergency room by ambulance due to profound weakness and severe abdominal distress that began abruptly 6 hours ago. His medical history includes ischemic cardiomyopathy and chronic atrial fibrillation. He was recently transitioned off oral anticoagulation prior to a planned invasive dental procedure. Currently, his temperature is 38.8°C (101.8°F), blood pressure is 76/42 mmHg, heart rate is 135/min and irregular, and respiratory rate is 28/min. Cardiopulmonary examination reveals a rapid, irregularly irregular rhythm. Abdominal examination demonstrates diffuse board-like rigidity, exquisite tenderness to light palpation in all four quadrants, and completely absent bowel sounds. Initial venous blood gas reveals a pH of 7.18 and a lactate level of 8.9 mmol/L. Arrange the following steps in the most appropriate sequential order for the management of this patient.

  1. 1Establish large-bore intravenous access and administer rapid isotonic crystalloid boluses
  2. 2Administer empiric broad-spectrum intravenous antibiotics
  3. 3Transport immediately to the operating room for an exploratory laparotomy
  4. 4Resect nonviable bowel and perform a temporary abdominal closure without anastomosis
  5. 5Transfer to the surgical intensive care unit for continued physiological resuscitation

Cevap

Establish large-bore IV access and administer fluids, followed by broad-spectrum antibiotics, then immediate transport to the OR for laparotomy, perform damage control surgery with resection and temporary closure, and finally transfer to the SICU for physiological resuscitation.
The management of an unstable patient with an acute surgical abdomen requires strict adherence to a prioritized sequence. Immediate resuscitation with IV fluids and broad-spectrum antibiotics addresses the severe shock and sepsis. Because the patient is hemodynamically unstable with generalized peritonitis (board-like rigidity), diagnostic imaging is bypassed for immediate surgical exploration. Given the profound physiologic derangement (lactic acidosis, shock), damage control surgery (resection without anastomosis and temporary abdominal closure) is indicated to minimize operative time. This must be followed by physiological resuscitation in the intensive care unit before returning to the operating room for definitive reconstruction.

Adım Adım Çözüm

1
Hemodynamic resuscitation
Initial stabilization of intravascular volume
The patient is in profound shock (hypotension, tachycardia) requiring immediate fluid resuscitation as part of securing ABCs.
2
Administer broad-spectrum antibiotics
Initiation of systemic antimicrobial therapy
Early antibiotics are crucial in suspected intra-abdominal sepsis secondary to a perforated or ischemic viscus.
3
Immediate exploratory laparotomy
Surgical source control
Unstable patients with generalized peritonitis must go directly to the operating room. Cross-sectional imaging (CT scan) is contraindicated due to instability.
4
Damage control surgery
Resection of nonviable bowel with temporary abdominal closure
In the setting of severe physiologic derangement (pH 7.18, lactate 8.9 mmol/L), primary anastomosis is unsafe and will fail. Damage control principles dictate rapid resection to stop contamination and temporary closure.
5
SICU resuscitation
Correction of physiological deficits
Physiological reserves must be restored (rewarming, correcting coagulopathy and acidosis) in the intensive care unit before definitive bowel reconstruction (second-look laparotomy) can be safely performed.

Anahtar Kavram

Management sequence for acute mesenteric ischemia with peritonitis and shock
Bu soruyu puanla