Age (yr) Gender Diagnosis Mannitol (g) Potassium concentration (mEq/L) Peak time (min)* Authors
Before IV Peak End of surgery
52 Male SAH 60 4.8 6.8 5.0 40 Seto et al.[5]
34 Male SAH 60 3.1 5.4 3.5 20 Hirota et al.[6]
68 Male ICH 100 4.1 6.1 5.4 60 Hirota et al.[6]
15 Male AVM 120 3.4 6.6 5.1 50 Kimura et al.[7]
31 Female Tumor 80 4.1 6.1 4.4 20 Hassan et al.[8]
41 Male SAH 120 NR 7.5 3.9 50¶ Flynn [9]
43 Male Tumor 60 4.8 6.7 4.0 30¶ Tobita et al.[10]
57 Male SAH 45 4.0 6 4.4 110 Current report
49 Male SAH 30 3.7 5.7 5 150 Current report
*Time between completion of mannitol infusion and peak concentration of potassium
¶Time between initiation of mannitol infusion and peak concentration of potassium
NR: not reported, SAH: Subarachnoid hemorrhage, ICH: Intracerebral hemorrhage, AVM: Arteriovenous malformation
Table 1: Characteristics of hypertonic mannitol-induced hyperkalemia in seven patients reported since 2000.