Percutaneous Nephrolithotomy in Children

Table 2

Comparison of pediatric percutaneous nephrolithotomy series DNS: did not specify; ^aincludes SWL therapy.

Study	No. children/renal units	Mean age (Yrs)	Mean stone size	Maximum sheath (Fr)	Multiple tracts %	Second look %	Stone-free initial/final %	Transfusion %
Aron et al. [22]	19/19	4.2	972 mm^2	24	74	5	89/94^a	5
Boormans et al. [23]	23/26	7.5	6 cm^2	18	8	8	58/81^a	4
Dawaba et al. [24]	65/72	5.9	260 mm^2	30	3	6	86/93^a	1
Gonen et al. [25]	31/31	10.4	929 mm^2	30	52	6	61/68	23
Guven et al. [26]	17/20	1.8	19 mm	28	0	0	95/95	5
Kapoor et al. [27]	31/31	9.6	DNS	30	3	10	74/84	0
Mahmud and Zaidi [28]	29/30	3.8	2.35 cm	DNS	0	0	60/100^a	6
Nouralizadeh et al. [16]	20/24	3.1	33 mm	26	0	8	79/92^a	5
Özden et al. [29]	51/53	9.7	654 mm^2	30	40	6	74/87^a	17
Rizvi et al. [30]	62/62	DNS	4.7 cm	22	DNS	0	68/95^a	25
Salah et al. [21]	135/138	8.9	507 mm^2	DNS	DNS	DNS	DNS/99	1
Zeren et al. [31]	55/67	7.9	283 mm^2	30	DNS	11	DNS/87	24