Metabolic and endocrinological factors related to nephrolithiasis pre and post multiple techniques of bariatric surgery: a sistematic review

SANTOS, Marcos Vinicius Ribeiro dos; FERREIRA, Gustavo Enrique Correia; OLIVEIRA, Eduardo Cirne Pedrosa de; KREIMER, Flavio; CAMPOS, Josemberg Marins; FERRAZ, Alvaro Antonio B.

doi:10.1590/S0102-6720201400S100017

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Review Article • ABCD, arq. bras. cir. dig. 27 (suppl 1) • 2014 • https://doi.org/10.1590/S0102-6720201400S100017 linkcopy

Metabolic and endocrinological factors related to nephrolithiasis pre and post multiple techniques of bariatric surgery: a sistematic review

SCIMAGO INSTITUTIONS RANKINGS

Abstracts

INTRODUCTION: Despite of benefits of bariatric surgery for obesity treatment, the procedure may be related to some complications.

AIM: Analyze studies to address the relation between nephrolithiasis and bariatric surgery.

METHODS: Ten papers about this theme were selected from 2005-2013 in Pubmed, describing the relation of nephrolithiasis or their risk factors with several types of bariatric surgery.

RESULTS: Retrospective studies with minimal follow-up of three years demonstrated 7,65% in surgery patients and 4,63% non-surgery with nephrolithiasis (p<0,05). Prospective studies (8 of 10) revealed large percentage of calculi appearing and significant increase in oxaluria.

CONCLUSION: There is correlation between obesity surgery and nephrolithiasis.

Nephrolithiasis; Bariatric surgery; Obesity; Hyperoxaluria; Gastric bypass

Autor	Numero de pacientes(n)	Tipo de Trabalho	Comparação/ Tipo de operação	Período de Avaliação (meses)	Prevalência de Nefrolitíase	Conclusões corroborantes
Froeder et al., 2012	61	Prospectivo	RYGB(58) BPD-DS(3)	12 (meses)	3 of 61 (4,9%) forming stones de novo after surgery	↑ excreção de CaC2O4 e Citrato
Alexander J et al. 2008	18	Prospectivo	GB(14)/4(VG)	6 (analise de urina)	NR	Sem alteração
Nasr et al., 2008	11	Prospectivo	RYGB(8)/3 Total Gastrectomy (Roux-en- Y esophagojejunostomy)	mean and median follow-up of 19,4 and 11.0 mo, respectively (range 2.5 to 58.0 mo)	Not Mentioned	NR
Patel N et al. 2009	9	Prospectivo	RYGB (6) Bypass Jejunoileal(2)/BPD- DS(1)	Dieta - 7 (não houve muitos dados específicos sobre o acompanhamento após a cirurgia)	66,67%	volume de Urina, citrato e pH, embora não significantemente (p> 0.05)
Kumar R et al. 2010	58	Prospectivo	RYGB(52)/BPD-DS(6)	6 (analise de urina)	NR↑	↑ excreção de CaC2O4 BGRY(23%)/BPD-DS (50%))
Matlaga B et al. 2009	11	Prospectivo	RYGB(9)/BPD-DS(2)	6 e 12 (analise de urina)	NR	↑ excreção de CaC2O4
Duffey G et al. 2010	21	Prospectivo	RYGB	3,12 e 24 (analise de urina)	NR	↑ excreção de CaC2O4(52%)
Chen T et al. 2013	417	Retrospectivo	AGB(332)/VG(85)	54 (busca por nefrolitíase)	AGB (3.4/1000 year) G(5.2/1000-year	NR
Matlaga B et al. 2009	9278	Retrospectivo	RYGB(4639)/Obesos controle(4639)	60 (mínimo 36)[Busca por nefrolitíase]	RYGB 7,65% = 355/Obese 4,63% = 215	NR
Whitson et al. 2010 - Review	5\|60 - BS	Retrospectivo	RYGB	Not Mentioned	3,2%	↑ excretion de CaC2O4 e citrato

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[t01TFN01] NR = Not reported; RYGB = Roux en Y Gastric Bypass; AGB = Adjustable gastric band; VG = Vertical Gastrectomy; BPD-DS = Biliopancreatic diversion with Duodenal Switch; CaC2O4 = Calcium Oxalate