PNPLA3 genotype and fibrosis-4 index predict cardiovascular diseases of Japanese patients with histopathologically-confirmed NAFLD
Abstract Background Reliable noninvasive predictors of the top three causes of death [cardiovascular diseases (CVDs), malignancies, and liver-related events in patients with non-alcoholic fatty liver disease (NAFLD)] have not yet been determined. Methods We retrospectively investigated the incidence...
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2021
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oai:doaj.org-article:28b14a49534747ce92df6ef7f9fa3ab22021-11-21T12:15:38ZPNPLA3 genotype and fibrosis-4 index predict cardiovascular diseases of Japanese patients with histopathologically-confirmed NAFLD10.1186/s12876-021-02020-z1471-230Xhttps://doaj.org/article/28b14a49534747ce92df6ef7f9fa3ab22021-11-01T00:00:00Zhttps://doi.org/10.1186/s12876-021-02020-zhttps://doaj.org/toc/1471-230XAbstract Background Reliable noninvasive predictors of the top three causes of death [cardiovascular diseases (CVDs), malignancies, and liver-related events in patients with non-alcoholic fatty liver disease (NAFLD)] have not yet been determined. Methods We retrospectively investigated the incidence of three complications [CVDs, malignancy (except for liver cancer), and liver-related events] in 477 Japanese patients with histo-pathologically confirmed NAFLD for a median follow-up of 5.9 years. In addition to histological findings, we also investigated noninvasive predictors. Results A score of ≥ 2.67 for the noninvasive diagnosis of stage 4 fibrosis based on the Fibrosis-4 (FIB-4) index indicated a high level area under the receiver operating characteristic (AUROC) curve (0.90), sensitivity (82.9%), specificity (86.4%), and negative predictive value [(NPV) of 98.5%]. The yearly incidence rates of CVDs, malignancies, and liver-related events were found to be 1.04%, 0.83%, and 0.30%, respectively. Multivariate analysis identified a FIB-4 index ≥ 2.67 score as a significant and independent, noninvasive predictor of these three complications. Furthermore, the cumulative incidence rates of CVDs were significantly different among the three genotypes of PNPLA3. PNPLA3 genotype CC, chronic kidney disease (CKD), and FIB-4 index ≥ 2.67 was could be attributed to these three significant CVD risk factors. The rates of CVDs were significantly different among the three subgroups based on the combination of risk factors. In malignancy (except for liver cancer), the incidence rate of colon cancer was 25.0%; in particular, the rate in females was 53.8%. Conclusions Our results highlighted the importance of the PNPLA3 genotype and FIB-4 index ≥ 2.67 on the incidence of complications in Japanese patients with NAFLD, especially the incidence of CVDs. Early diagnosis, based on the presence of one or more risk factors, and early treatment might improve the prognosis for NAFLD patients.Norio AkutaYusuke KawamuraYasuji AraseSatoshi SaitohShunichiro FujiyamaHitomi SezakiTetsuya HosakaMasahiro KobayashiMariko KobayashiYoshiyuki SuzukiFumitaka SuzukiKenji IkedaHiromitsu KumadaBMCarticleNonalcoholic fatty liver diseaseNonalcoholic steatohepatitisCardiovascular diseasesMalignanciesLiver-related eventsFIB-4 indexDiseases of the digestive system. GastroenterologyRC799-869ENBMC Gastroenterology, Vol 21, Iss 1, Pp 1-11 (2021) |
| institution |
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| collection |
DOAJ |
| language |
EN |
| topic |
Nonalcoholic fatty liver disease Nonalcoholic steatohepatitis Cardiovascular diseases Malignancies Liver-related events FIB-4 index Diseases of the digestive system. Gastroenterology RC799-869 |
| spellingShingle |
Nonalcoholic fatty liver disease Nonalcoholic steatohepatitis Cardiovascular diseases Malignancies Liver-related events FIB-4 index Diseases of the digestive system. Gastroenterology RC799-869 Norio Akuta Yusuke Kawamura Yasuji Arase Satoshi Saitoh Shunichiro Fujiyama Hitomi Sezaki Tetsuya Hosaka Masahiro Kobayashi Mariko Kobayashi Yoshiyuki Suzuki Fumitaka Suzuki Kenji Ikeda Hiromitsu Kumada PNPLA3 genotype and fibrosis-4 index predict cardiovascular diseases of Japanese patients with histopathologically-confirmed NAFLD |
| description |
Abstract Background Reliable noninvasive predictors of the top three causes of death [cardiovascular diseases (CVDs), malignancies, and liver-related events in patients with non-alcoholic fatty liver disease (NAFLD)] have not yet been determined. Methods We retrospectively investigated the incidence of three complications [CVDs, malignancy (except for liver cancer), and liver-related events] in 477 Japanese patients with histo-pathologically confirmed NAFLD for a median follow-up of 5.9 years. In addition to histological findings, we also investigated noninvasive predictors. Results A score of ≥ 2.67 for the noninvasive diagnosis of stage 4 fibrosis based on the Fibrosis-4 (FIB-4) index indicated a high level area under the receiver operating characteristic (AUROC) curve (0.90), sensitivity (82.9%), specificity (86.4%), and negative predictive value [(NPV) of 98.5%]. The yearly incidence rates of CVDs, malignancies, and liver-related events were found to be 1.04%, 0.83%, and 0.30%, respectively. Multivariate analysis identified a FIB-4 index ≥ 2.67 score as a significant and independent, noninvasive predictor of these three complications. Furthermore, the cumulative incidence rates of CVDs were significantly different among the three genotypes of PNPLA3. PNPLA3 genotype CC, chronic kidney disease (CKD), and FIB-4 index ≥ 2.67 was could be attributed to these three significant CVD risk factors. The rates of CVDs were significantly different among the three subgroups based on the combination of risk factors. In malignancy (except for liver cancer), the incidence rate of colon cancer was 25.0%; in particular, the rate in females was 53.8%. Conclusions Our results highlighted the importance of the PNPLA3 genotype and FIB-4 index ≥ 2.67 on the incidence of complications in Japanese patients with NAFLD, especially the incidence of CVDs. Early diagnosis, based on the presence of one or more risk factors, and early treatment might improve the prognosis for NAFLD patients. |
| format |
article |
| author |
Norio Akuta Yusuke Kawamura Yasuji Arase Satoshi Saitoh Shunichiro Fujiyama Hitomi Sezaki Tetsuya Hosaka Masahiro Kobayashi Mariko Kobayashi Yoshiyuki Suzuki Fumitaka Suzuki Kenji Ikeda Hiromitsu Kumada |
| author_facet |
Norio Akuta Yusuke Kawamura Yasuji Arase Satoshi Saitoh Shunichiro Fujiyama Hitomi Sezaki Tetsuya Hosaka Masahiro Kobayashi Mariko Kobayashi Yoshiyuki Suzuki Fumitaka Suzuki Kenji Ikeda Hiromitsu Kumada |
| author_sort |
Norio Akuta |
| title |
PNPLA3 genotype and fibrosis-4 index predict cardiovascular diseases of Japanese patients with histopathologically-confirmed NAFLD |
| title_short |
PNPLA3 genotype and fibrosis-4 index predict cardiovascular diseases of Japanese patients with histopathologically-confirmed NAFLD |
| title_full |
PNPLA3 genotype and fibrosis-4 index predict cardiovascular diseases of Japanese patients with histopathologically-confirmed NAFLD |
| title_fullStr |
PNPLA3 genotype and fibrosis-4 index predict cardiovascular diseases of Japanese patients with histopathologically-confirmed NAFLD |
| title_full_unstemmed |
PNPLA3 genotype and fibrosis-4 index predict cardiovascular diseases of Japanese patients with histopathologically-confirmed NAFLD |
| title_sort |
pnpla3 genotype and fibrosis-4 index predict cardiovascular diseases of japanese patients with histopathologically-confirmed nafld |
| publisher |
BMC |
| publishDate |
2021 |
| url |
https://doaj.org/article/28b14a49534747ce92df6ef7f9fa3ab2 |
| work_keys_str_mv |
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