Table V.
Description and summary of data from studies that investigated the effect of combined or unspecified types of surgery on periconception outcomes and maternal health.
| Author | Type of bariatric surgery | Studied periconception outcome | Fertility | Irregular menstrual cycles | Vitamin status | Endocrine changes | Miscarriages | Congenital malformations | ErasmusAGE quality score |
|---|---|---|---|---|---|---|---|---|---|
| Auger N (2019) | Restrictive, malabsorptive, unspecified | Congenital malformations | = | 8 | |||||
| Grzegorczyk-Martin V (2020) | SG*, gastric banding, gastric bypass | Miscarriages, fertility, hormonal levels | = | = (AMH) | = | 8 | |||
| Josefsson A (2013) | Gastroplasty, gastric banding, gastric bypass | Congenital malformations | = | 8 | |||||
| Menke MN (2019) | RYGB*, AGB*, SG, BPD* | Fertility | ↑ | 8 | |||||
| Parent B (2017) | Banded gastroplasty, AGB, SG, RYGB | Congenital malformations | = | 8 | |||||
| Goldman RH (2016) | RYGB | Fertility, irregular menstrual cycles, miscarriages | =/↑ | ↓ | ↑ | 7 | |||
| Neovius M (2019) | RYGB | Congenital malformations | ↓ | 7 | |||||
| Sheiner E (2004) | Not specified | Fertility, congenital malformations | ↓ | = | 7 | ||||
| Christofolini J (2014) | Restrictive and/or malabsorptive (not further specified) | Fertility | ↓/= | 6 | |||||
| Devlieger R (2014) | Restrictive, malabsorptive, combined (not further specified) | Vitamin status | = (Vitamin B1, B12, folate, D, E) | 6 | |||||
| Machado SN (2016) | RYGB | Vitamin status | ↑ (more retinol and beta-carotene deficiencies) | 6 | |||||
| Medeiros M (2016) | RYGB | Vitamin status | ↑ (more vitamin D deficiencies) | 6 | |||||
| Mead NC (2014) | BPD, RYGB, SG | Vitamin status |
|
6 | |||||
| Nilsson-Condori E (2018) | RYGB | Endocrine changes |
|
6 | |||||
| Sheiner E (2006) | Gastric banding, vertical gastroplasty, RYGB | Fertility, miscarriages, congenital malformations | ↓ | = | = | 6 | |||
| Bebber FE (2011) | RYGB | Vitamin status | ↑ (more vitamin B12 and folate deficiencies) | 5 | |||||
| Edison E (2016) | RYGB, gastric banding, SG, balloon, other, unspecified, BPD, duodenal switch | Irregular menstrual cycles | ↓ | 5 | |||||
| Gadgil MD (2014) | Gastric bypass, gastric banding, restrictive other, BPD, unknown | Vitamin status | ↑ (more vitamin B1, B12, folate, D deficiencies) | 5 | |||||
| Hazart J (2017) | SG, gastric bypass, gastric banding | Vitamin status | ↑ (more vitamin A, B1, B6, B9, B12, C, D deficiencies) | 5 | |||||
| Nørgaard LN (2014) | Gastric bypass | Fertility | = | 5 | |||||
| Patel JA (2008) | RYGB | Miscarriages, congenital malformations | = | = | 5 | ||||
| Alatishe A (2013) | RYGB, gastric banding, SG, other (not specified) | Miscarriages | ↓ | 4 | |||||
| Chagas C (2016) | RYGB | Vitamin status | ↑ (more retinol, beta carotene deficiencies) | 4 | |||||
| Cruz S (2019) | RYGB | Miscarriages | = | 4 | |||||
| Dao T (2006) | RYBG | Fertility, vitamin status | ↑ | = (Vitamin B1 and B12) | 4 | ||||
| Jans G (2014) | Restrictive, malabsorptive, combined (not further specified) | Vitamin status | ↑ (more vitamin K deficiencies) | 4 | |||||
| Kjær MM (2017) | RYGB | Endocrine changes, irregular menstrual cycles |
|
4 | |||||
| Kruchinin EV (2018) |
BPD, AGB, SG |
Irregular cycles, hormonal levels |
↓ |
|
4 | ||||
| Merhi ZO (2008) | RYGB | Endocrine changes |
|
4 | |||||
| Dell'Agnolo CM (2015) | Not specified | Miscarriages | = | 4 | |||||
| Neto RML (2012) | RYGB | Fertility | ↑ | 4 | |||||
| Rochester D (2009) | Gastric banding, gastric bypass | Endocrine changes, irregular cycles | = |
|
4 | ||||
| Sahab Al kabbi M (2018) | SG, gastric bypass | Endocrine changes, irregular menstrual cycles | ↓ | ↓ (AMH) | 4 | ||||
| Sapre N (2009) | RYGB | Fertility, vitamin status, miscarriages | ↑ | ↑ (more vitamin B12, folate deficiencies) | ↓ | 3 | |||
| Vincentelli C (2018) | RYGB, SG | Endocrine changes | ↓ (AMH) | 3 | |||||
| Nayak R (2020) | SG |
Fertility, hormonal levels |
= (AMH) | 2 | |||||
| Vieira APPS (2020) | SG, RYGB | Fertility | ↑ | 2 |
SG, sleeve gastrectomy; RYGB, Roux-en-Y gastric bypass; AGB, adjustable gastric banding; BPD, biliopancreatic diversion.
↓ indicates a decrease in the occurrence of the periconception parameter of interest, ↑ indicates an increase in the occurrence of the periconception parameter of interest and = indicates no change.