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Zorluk: ZorPreoperative and Postoperative Care

A 72-year-old man is evaluated on postoperative day 3 following an open partial gastrectomy for a perforated peptic ulcer. Over the last several hours, he has developed progressive dyspnea, a nonproductive cough, and a sense of chest tightness. His medical history is significant for severe chronic obstructive pulmonary disease and ischemic cardiomyopathy with a baseline left ventricular ejection fraction of 40%. During his surgery, he received 4 liters of isotonic crystalloid resuscitation. His temperature is 37.8°C (100.0°F), blood pressure is 158/92 mmHg, pulse is 112/min, and respirations are 24/min. Pulse oximetry shows 88% on room air. Physical examination reveals elevated jugular venous pressure to 10 cm H2O. Lung auscultation demonstrates bilateral coarse crackles at the bases and scattered expiratory wheezes. The surgical incision is clean, dry, and intact. There is bilateral trace lower extremity edema, which is unchanged from baseline. A chest radiograph demonstrates bilateral perihilar opacities and prominent pulmonary vasculature, with no focal consolidation. Which of the following is the most appropriate next step in management?

  1. Intravenous loop diuretic therapyCevap
  2. B
    Inhaled short-acting bronchodilators and systemic glucocorticoids
  3. C
    Empiric broad-spectrum antibiotic therapy
  4. D
    Computed tomography angiography of the chest
  5. E
    Flexible fiberoptic bronchoscopy

Cevap

Intravenous loop diuretic therapy
The patient's clinical presentation is highly consistent with acute decompensated heart failure (ADHF) secondary to volume overload. During major abdominal surgery, patients routinely receive large volumes of intravenous crystalloid resuscitation, much of which shifts into the interstitial ('third') space. Typically, around postoperative day 3, this fluid begins to rapidly mobilize back into the intravascular space. In patients with underlying ventricular dysfunction (e.g., ischemic cardiomyopathy), this sudden increase in intravascular volume can overwhelm the heart, leading to ADHF. Key indicators in this patient include elevated jugular venous pressure, bilateral basilar crackles, and a chest radiograph demonstrating perihilar opacities and prominent pulmonary vasculature. Although the patient has a history of COPD and presents with wheezing, this represents 'cardiac asthma'—bronchospasm triggered by pulmonary edema. The most appropriate initial management is diuresis with an intravenous loop diuretic to quickly reduce intravascular volume and alleviate pulmonary congestion.

Adım Adım Çözüm

1
Analyze the timing and context of the patient's respiratory distress.
The patient developed symptoms on postoperative day 3 after receiving significant intraoperative fluid resuscitation.
Postoperative day 3 is the classic timeframe for third-space fluid mobilization, which shifts fluids back into the intravascular space.
2
Evaluate the clinical signs and symptoms.
The patient exhibits progressive dyspnea, hypoxemia, elevated jugular venous pressure, crackles, and wheezing.
These findings point toward a cardiac etiology for the respiratory distress, specifically acute decompensated heart failure exacerbating pulmonary congestion.
3
Interpret the chest radiograph findings.
The radiograph shows bilateral perihilar opacities and prominent pulmonary vasculature without focal consolidation.
These findings are highly characteristic of pulmonary edema, confirming the diagnosis of acute decompensated heart failure rather than an infectious pneumonia or a primary COPD exacerbation.
4
Determine the most appropriate next step in management.
The patient should receive intravenous loop diuretic therapy.
Intravenous diuresis is the first-line treatment to rapidly reduce intravascular volume and alleviate pulmonary edema in acute decompensated heart failure.

Anahtar Kavram

Acute decompensated heart failure frequently occurs around postoperative day 3 due to the mobilization of third-space fluids back into the intravascular space; it presents with volume overload signs (elevated JVP, pulmonary edema) and is managed with intravenous loop diuretics.
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Preoperative and Postoperative Care

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