# A cohort study in HigAshi-nippon of Pulmonary hyPertensIoN in systEmic SclerosiS (HAPPINESS study): protocol and baseline data for an observational study

**Type:** Papers  
**Canonical URL:** https://scholariq.org/papers/a-cohort-study-in-higashi-nippon-of-pulmonary-hypertension-in-systemic-sclerosis/

## Facts

| Field | Value |
| --- | --- |
| Author Names | Shuhei Takeyama,Hironari Hanaoka,Akiyoshi Hashimoto,Yusho Ishii,Yuka Shimizu,Toshiharu Takeuchi,Shuhei Shimoyama,Masataka Kuwana,Tomoaki Higuchi,Masaru Yoshimura,Hiroshi Kataoka,Yuko Shirota,Kazufumi Okada,Yoichi M. Ito,Ryo Hisada,Kazuro Kamada,Sho Ishigaki,Tetsuya Horita,Tatsuya Atsumi,Masaru Kato,the HAPPINESS study group |
| Citations | 3 |
| DOI | 10.1186/s41927-025-00474-2 |
| Fields | Medicine |
| Open Access | true |
| OA Status | gold |
| OA URL | https://bmcrheumatol.biomedcentral.com/counter/pdf/10.1186/s41927-025-00474-2 |
| OpenAlex ID | https://openalex.org/W4407987018 |
| PMID | 40012072 |
| Type | article |
| Year | 2025 |

## Paper authors

- [Shuhei Takeyama](https://scholariq.org/researchers/shuhei-takeyama/)

## Paper primary topic

- [Pulmonary Hypertension Research and Treatments](https://scholariq.org/topics/pulmonary-hypertension-research-and-treatments/)

## Paper topics

- [Pulmonary Hypertension Research and Treatments](https://scholariq.org/topics/pulmonary-hypertension-research-and-treatments/)
- [Systemic Sclerosis and Related Diseases](https://scholariq.org/topics/systemic-sclerosis-and-related-diseases/)
- [Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis](https://scholariq.org/topics/interstitial-lung-diseases-and-idiopathic-pulmonary-fibrosis/)

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Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.
