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Table 1 Diseases that are chronic or associated with chronic conditions whose complications or end-stage outcomes require long-term medical intervention by the formal health sector services.

From: Slum health: Diseases of neglected populations

Disease or condition Complications or end-stage outcomes requiring formal health sector intervention
Chronic non-infectious diseases  
Hypertension Stroke; cardiovascular events, including myocardial infarction, congestive heart failure; kidney failure
Diabetes Kidney failure requiring transplantation or dialysis; chronic infection (foot ulcer, osteomyelitis); acute recurrent infections (urinary tract infection, bacteremia, sepsis, pneumonia); blindness; sexual dysfunction
Asthma Respiratory infection, respiratory failure
Ignored injuries (intentional or unintentional) Chronic infection (osteomyelitis, non-healing wounds); limb deformity affecting ambulation, manual dexterity; long-term or permanent brain injury
Mental illnesses Consequences of attempted suicide or homicide; violence; intractable behavior; restricted self-care
Reproductive health problems Sterility; unwanted pregnancy; peripartum complications; congenital complications of infection (toxoplasmosis, CMV)
Chronic infectious diseases  
Tuberculosis, latent TB infection Late-stage TB; Multidrug resistant TB
Hepatitis B, C Liver cirrhosis; hepatocellular carcinoma
HIV infection AIDS; opportunistic diseases
Acute infectious disease with chronic outcomes  
Sexually-transmitted infection Reproductive diseases; AIDS
Skin lesion and superinfection Bacterial superinfection; kidney failure due to post-streptococcal glomerulonephritis
Untreated bacterial pharyngitis; acute rheumatic fever Post-streptococcal rheumatic heart disease requiring valve replacement
Behavior and habits  
Tobacco use Cardiovascular diseases, cancer
Alcohol abuse Liver failure, cirrhosis, unintentional injuries
Illicit drug use HIV/AIDS; hepatitis B, C; endocarditis, unintentional injuries