Course Content
Zambian Paediatric & Obstetrics-Gynecology (OB/GYN) Clinical Mastery

Congestive Cardiac Failure (CCF)

Description

Congestive Cardiac Failure (CCF) is a clinical syndrome in which the heart is unable to pump enough blood to meet the body’s metabolic needs, or to dispose of venous return adequately — or both.

Diagnosis of CCF relies mainly on clinical findings; no single test is specific.
It may result from congenital or acquired heart disease leading to volume or pressure overload, or from myocardial insufficiency.

Table 44: Causes of Congestive Cardiac Failure (CCF)

Cause Examples
1. Cardiac Causes  
A. Congenital • Ventricular Septal Defect (VSD) • Atrial Septal Defect (ASD) • Patent Ductus Arteriosus (PDA) • Arrhythmias
B. Acquired • Endocardial/Valvular disease e.g. Rheumatic Heart Disease (RHD) • Myocardial diseases e.g. Viral myocarditis, Dilated or Hypertrophic cardiomyopathy • Pericardial diseases e.g. Tuberculous pericarditis
2. Extracardiac Causes • Anaemia • Pulmonary diseases (e.g. pulmonary hypertension, severe pneumonia especially in neonates) • Systemic hypertension • Metabolic disorders (e.g. electrolyte imbalances, hypoglycaemia) • Endocrine disorders (e.g. thyroid disease) • Drugs (e.g. antineoplastic agents)

Signs and Symptoms

  • Poor feeding

  • Failure to thrive

  • Difficulty in breathing

  • Poor weight gain

  • Easy fatigability (especially in older children)

  • Tachypnoea

  • Tachycardia

  • Hepatomegaly

  • Presence or absence of cardiac murmurs

  • Oedema

Investigations

  • Full Blood Count and Differential Count (FBC/DC)

  • Urea and Serum Creatinine

  • Serum Electrolytes

  • Echocardiography (ECHO) and Electrocardiogram (ECG)

  • Chest X-ray

Treatment

Supportive Care

Measure Purpose
Propped-up position To ease breathing
Oxygen therapy To correct hypoxia
Salt and fluid restriction To prevent fluid overload
Daily weight monitoring (in hospitalised patients) To assess fluid balance

Pharmacological Management

Drug Class Example and Dose Notes
Preload Reduction Frusemide 1 mg/kg/dose, 2–3 times daily IV/PO Loop diuretic; monitor electrolytes
Afterload Reduction Captopril 0.1–0.5 mg/kg divided 8 hourly (max 0.6 mg/kg/day) OR Enalapril 0.1 mg/kg OD or BD (max 0.5 mg/kg/day) ACE inhibitors improve cardiac output
Inotropes Digoxin 0.02–0.05 mg/kg/day PO (for stable patients) Dobutamine or Dopamine infusion (for severe CCF) Digoxin increases myocardial contractility; Dopamine/Dobutamine for acute decompensation
β-blockers (Chronic HF) Carvedilol 0.08 mg/kg every 12h; increase by 0.08 mg/kg every 1–2 weeks to max 0.5 mg/kg every 12h if tolerated Used in chronic heart failure, especially in dilated cardiomyopathy

Key Points Summary

  • CCF is not a single disease, but a clinical syndrome caused by multiple cardiac or extracardiac factors.

  • Early detection and management improve prognosis.

  • Supportive care and pharmacologic therapy must be titrated carefully to avoid worsening heart failure.

  • Monitor electrolytes, renal function, and weight daily during inpatient care.

 

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