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Hikaru Morooka

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Hikaru Morooka

PhD Candidate
HUNT Research Centre
Department of Public Health and Nursing
Faculty of Medicine and Health Sciences

hikaru.morooka@ntnu.no
+4773413142 Øya helsehus, Øya, Samfunnsmedisinbygget, Håkon Jarls gate 11, 7030, Trondheim
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About Publications Outreach

About

PhD candidate with background of a medical doctor in Japan.

My current research focus is the association between women's reproductive health and the risk of atrial fibrillation. 

Education 

PhD in Medical and Health Sciences, NTNU (Ongoing)

Doctor of Medicine, Shinshu University, Japan (2019)

Work Experience 

Clinical Fellow, Nagoya University Hospital, Department of Emergency and Critical Care Medicine, Japan.

Junior Resident, Nagoya University Hospital, Japan.

Scientific, academic and artistic work

Journal publications

Ito T, Morooka H, Takahashi H, Fujii H, Iwaki M, Hayashi H, Toyoda H, Oeda S, Hyogo H, Kawanaka M, Morishita A, Munekage K, Kawata K, Tsutsumi T, Sawada K, Maeshiro T, Tobita H, Yoshida Y, Naito M, Araki A, Arakaki S, Kawaguchi T, Noritake H, Ono M, Masaki T, Yasuda S, Tomita E, Yoneda M, Tokushige A, Ishigami M, Kamada Y, Ueda S, Aishima S, Sumida Y, Nakajima A, Okanoue T; Japan Study Group of Nonalcoholic Fatty Liver Disease (JSG-NAFLD). Identification of clinical phenotypes associated with poor prognosis in patients with nonalcoholic fatty liver disease via unsupervised machine learning. J Gastroenterol Hepatol. 2023 Aug 19. doi: 10.1111/jgh.16326. Epub ahead of print. PMID: 37596843.

Morooka H, Yamamoto T, Tanaka A, Furuhashi K, Miyagawa Y, Maruyama S. Influence of COVID-19 on the 10-year carbon footprint of the Nagoya University Hospital and medical research centre. Global Health. 2022 Nov 7;18(1):92. doi: 10.1186/s12992-022-00883-9. PMID: 36345023.

Yamamoto T, Morooka H, Ito T, Ishigami M, Mizuno K, Yokoyama S, Yamamoto K, Imai N, Ishizu Y, Honda T, Yokota K, Hase T, Maeda O, Hiashimoto N, Ando Y, Akiyama M, Kawashima H. Clustering using unsupervised machine learning can stratify the risk of immune-related liver injury. J Gastroenterol Hepatol. 2022 Oct 27. doi: 10.1111/jgh.16038. Epub ahead of print. PMID: 36302734.

Morooka H, Tanaka A, Kasugai D, Ozaki M, Numaguchi A, Maruyama S. Abnormal magnesium levels and their impact on death and acute kidney injury in critically ill children. Pediatr Nephrol. 2022 May;37(5):1157-1165. doi: 10.1007/s00467-021-05331-1. Epub 2021 Oct 26. PMID: 34704113.

Morooka H, Tanaka A, Inaguma D, Maruyama S. Clustering phosphate and iron-related markers and prognosis in dialysis patients. Clin Kidney J. 2021 Oct 14;15(2):328-337. doi: 10.1093/ckj/sfab207. PMID: 35145647; PMCID: PMC8824794.

Morooka H, Yamamoto J, Tanaka A, Inaguma D, Maruyama S. Relationship between mortality and use of sodium bicarbonate at the time of dialysis initiation: a prospective observational study. BMC Nephrol. 2021 Apr 6;22(1):118. doi: 10.1186/s12882-021-02330-0. PMID: 33823813; PMCID: PMC8025509.

Morooka H, Tanaka A, Inaguma D, Maruyama S. Peripheral artery disease at the time of dialysis initiation and mortality: a prospective observational multicenter study. BMJ Open. 2020 Dec 31;10(12):e042315. doi: 10.1136/bmjopen-2020-042315. PMID: 33384396; PMCID: PMC7780557.

Morooka H, Kasugai D, Tanaka A, Ozaki M, Numaguchi A, Maruyama S. Prognostic Impact of Parameters of Metabolic Acidosis in Critically Ill Children with Acute Kidney Injury: A Retrospective Observational Analysis Using the PIC Database. Diagnostics (Basel). 2020 Nov 11;10(11):937. doi: 10.3390/diagnostics10110937. PMID: 33187169; PMCID: PMC7696045.

Ito T, Ishigami M, Morooka H, Yamamoto K, Imai N, Ishizu Y, Honda T, Nishimura D, Tada T, Yasuda S, Toyoda H, Kumada T, Fujishiro M. The albumin-bilirubin score as a predictor of outcomes in Japanese patients with PBC: an analysis using time-dependent ROC. Sci Rep. 2020 Oct 20;10(1):17812. doi: 10.1038/s41598-020-74732-3. PMID: 33082429; PMCID: PMC7576583.

Nakajima M, Wong S, Widjaja E, Baba S, Okanishi T, Takada L, Sato Y, Iwata H, Sogabe M, Morooka H, Whitney R, Ueda Y, Ito T, Yagyu K, Ochi A, Carter Snead O 3rd, Rutka JT, Drake JM, Doesburg S, Takeuchi F, Shiraishi H, Otsubo H. Advanced dynamic statistical parametric mapping with MEG in localizing epileptogenicity of the bottom of sulcus dysplasia. Clin Neurophysiol. 2018 Jun;129(6):1182-1191. doi: 10.1016/j.clinph.2018.03.007. Epub 2018 Mar 30. PMID: 29649770.

Awards

The Young Nephrologists Awards in North and East Asia/The World Congress of Nephrology 2021 (WCN'21).

 

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2024

  • Morooka, Hikaru; Haug, Eirin Beate; Malmo, Vegard; Loennechen, Jan Pål; Mukamal, Kenneth J.; Sen, Abhijit. (2024) Parity, infertility, age at first birth, and risk of atrial fibrillation: data from the HUNT study. European Journal of Preventive Cardiology (EJPC)
    Academic article
  • Morooka, Hikaru; Haug, Eirin Beate; Malmo, Vegard; Loennechen, Jan Pål; Mukamal, Kenneth J.; Rich-Edwards, Janet Wilson. (2024) Association of age at menarche, reproductive lifespan and age at menopause with the risk of atrial fibrillation: The HUNT study. Maturitas
    Academic article

2023

  • Morooka, Hikaru. (2023) Identification of clinical phenotypes associated with poor prognosis in patients with nonalcoholic fatty liver disease via unsupervised machine learning. Journal of Gastroenterology and Hepatology
    Academic article
  • Yamamoto, Takafumi; Morooka, Hikaru; Ito, Takanori; Ishigami, Masatoshi; Mizuno, Kazuyuki; Yokoyama, Shinya. (2023) Clustering using unsupervised machine learning to stratify the risk of immune‐related liver injury. Journal of Gastroenterology and Hepatology
    Academic article

2022

  • Morooka, Hikaru; Yamamoto, Takanori; Tanaka, Akihito; Furuhashi, Kazuhiro; Miyagawa, Yasuhiro; Maruyama, Shoichi. (2022) Influence of COVID-19 on the 10-year carbon footprint of the Nagoya University Hospital and medical research centre. Globalization and Health
    Academic article

Journal publications

  • Morooka, Hikaru; Haug, Eirin Beate; Malmo, Vegard; Loennechen, Jan Pål; Mukamal, Kenneth J.; Sen, Abhijit. (2024) Parity, infertility, age at first birth, and risk of atrial fibrillation: data from the HUNT study. European Journal of Preventive Cardiology (EJPC)
    Academic article
  • Morooka, Hikaru; Haug, Eirin Beate; Malmo, Vegard; Loennechen, Jan Pål; Mukamal, Kenneth J.; Rich-Edwards, Janet Wilson. (2024) Association of age at menarche, reproductive lifespan and age at menopause with the risk of atrial fibrillation: The HUNT study. Maturitas
    Academic article
  • Morooka, Hikaru. (2023) Identification of clinical phenotypes associated with poor prognosis in patients with nonalcoholic fatty liver disease via unsupervised machine learning. Journal of Gastroenterology and Hepatology
    Academic article
  • Yamamoto, Takafumi; Morooka, Hikaru; Ito, Takanori; Ishigami, Masatoshi; Mizuno, Kazuyuki; Yokoyama, Shinya. (2023) Clustering using unsupervised machine learning to stratify the risk of immune‐related liver injury. Journal of Gastroenterology and Hepatology
    Academic article
  • Morooka, Hikaru; Yamamoto, Takanori; Tanaka, Akihito; Furuhashi, Kazuhiro; Miyagawa, Yasuhiro; Maruyama, Shoichi. (2022) Influence of COVID-19 on the 10-year carbon footprint of the Nagoya University Hospital and medical research centre. Globalization and Health
    Academic article

Outreach

Carbon footprint at Nagoya Univ Hosp increases about 26% for the past 11 years. (in Japanese)

Carbon footprint at Nagoya Univ Hosp increased about 26% in 2020 compared with the carbon footprint in 2010. The work was published in the Globalization and Health.

2023

  • Poster
    Morooka, Hikaru; Haug, Eirin Beate; Malmo, Vegard; Loennechen, Jan Pål; Mukamal, Kenneth; Rich-Edwards, Janet Wilson. (2023) Association between parity, age at first birth, infertility and atrial fibrillation: the HUNT Study. https://nofe.no/ NOFE conference 2023 , Trondheim 2023-11-15 - 2023-11-16
  • Poster
    Morooka, Hikaru; Haug, Eirin Beate; Malmo, Vegard; Loennechen, Jan Pål; Mukamal, Kenneth; Rich-Edwards, Janet Wilson. (2023) Association between parity, age at first birth and atrial fibrillation: the HUNT Study. https://afib.no/ Afib 7th annual meeting , Oslo 2023-09-28 - 2023-09-29

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