Table 1.

Overview of reported cases with severe hyponatremia during hysteroscopic surgery

Case report	Lowest Na+	Normal Na+ after	est. Fluid absorption	Irrigation fluid used	Max. fluid pressure	Surgery time	Treatment for hyponatremia	First clinical manifestation
S. Almonti et al. 2013 [34]	120 mmol/L	10 h	2 L	E-free Gycin 1.5 %	na	60 min	7 % NaCl; Furosemid; Mannitol	Myoclonus
M. Yaprak et al. 2013 [27]	99 mmol/L	14 h	5 L	Mannitol 5 %	na	na	3 % NaCl; Furosemid	Altered mental status
N. Sethi et al. 2012 [33]	100 mmol/L	na	1 L	Glycin 1.5 %	80 mmHg	45 min	3 % NaCl; Furosemid; sodium bicarbonate	Hypoxia
B. Yang et al. 2012 [19]	120 mmol/L	12 h	3 L	Dextrose 5 %	150 mmHg	70 min	3 % NaCl; Furosemid	Flatulence and coma
Y. Woo et al. 2011 [21]	87 mmol/L	48 h	24 L	2.7 % sorbitol and 0.54 % mannitol	150 mmHg	60 min	3 % NaCl; Furosemid	Increased ventilation pressure
G. Lee et al. 2009 [35]	89 mmol/L	24 h	7 L	2.7 % sorbitol and 0.54 % mannitol	100 mmHg	40 min	2 % NaCl; sodium bicarbonate; Furosemid;	Hypotonia, bleeding leading to hysterectomy
G. Serocki et al. 2009 [36]	106 mmol/L	24 h	0.4 L - 4 L	2.7 % sorbitol and 0.54 % mannitol	180 mmHg	25 min	0.9 % NaCl	Hypoxia
C. Estes et al. 2003 [37]	122 mmol/L	8 h	2.4 L	Glycin 1.5 %	na	90 min	Furosemid	na