Potential Long-Term Outcomes in Adults with Clinical Disease

Disease or Syndrome

Acute Syndrome(s) in Adults

Disease(s), Syndrome(s), or Clinical Feature

Frequency of Occurrence of Outcomesa

Delay Between Acute Infection and Onset of Outcomesb

 

 

cell)

 

 

 

 

Urinary obstruction (hydronephrosis)

Very rare

Yes (decades)

Schistosomiasis (S. mansoni)

Often asymptomatic

Gastrointestinal symptoms, colonic polyps, hepatosplenomegaly, jaundice, cirrhosis, eosinophilia

Fatigue, abdominal pain, intermittent diarrhea or dysentery, moderate anemia

Common

Yes (weeks to years)

Gastrointestinal symptoms

Common

Yes (weeks to years)

Hepatosplenomegaly and variceal hemorrhage

Rare

Yes (years)

Cirrhosis

Rare

Yes (years to decades)

Portal hypertension

Rare

Yes (years to decades)

Transverse myelitis

Very rare

Yes (weeks to years)

Right ventricular congestion or cor pulmonale

Very rare

Yes (years)

Cerebral masses

Very rare

Yes (years to decades)

a Probability calculated as percentage of acute cases. Frequent, >50% of cases; common, >5- 50% of cases; rare, 1-5% of cases; very rare, <1% of cases.

b Delay defined as adverse health outcome not evident at time of acute illness.

SOURCE: GIDEON 2006; Heymann 2004; Mandell et al. 2005; Nester et al. 2004; Wilson 1991.



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