1. Ryuichi Ohta, Toshihiro Yakabe, Hiroshi Adachi, Chiaki Sano: The Association Between Community Participation and Loneliness Among Patients in Rural Community Hospitals: A Cross-Sectional Study. (March 19, 2024) Cureus 16(3): e56501. doi:10.7759/cureus.56501 (IF 1.0)

2. Yuri Asano, Taichi Fujimori, Chiaki Sano, Ryuichi Ohta: The Balance Between Intensive and Palliative Care in an Anti-melanoma Di•erentiation-Associated Gene 5 (MDA5) Antibody-Positive Acute Interstitial Pneumonia in a Nonagenarian: A Case Report. (March 26, 2024) Cureus 16(3): e56983. doi:10.7759/cureus.56983 (IF 1.0)

3. Ryuichi Ohta, Satoko Maejima, Chiaki Sano: Applying Advanced Practice Nurses in Rural Japan: A Mixed-Methods Perspective. (March 27, 2024) Cureus 16(3): e57015. doi:10.7759/cureus.57015

4. Ryuichi Ohta, Nozomi Nishikura, Shinichiro Suyama, Chiaki Sano: Di•erentiation Between Disseminated Carcinomatosis of the Bone Marrow From Urothelial Cancer and Intravascular Large B-cell Lymphoma: A Case Report. (March 29, 2024) Cureus 16(3): e57221. (IF 1.0)

5. Ryuichi Ohta, Toshihiro Yakabe, Hiroshi Adachi, Chiaki Sano: The Association Between Community Dialogue and Loneliness in Rural Japanese Communities: A Cross-Sectional Study. (April 06, 2024) Cureus 16(4): e57744. doi:10.7759/cureus.57744 (IF 1.0)

6. Ryuichi Ohta, Chiaki Sano: Biopsychosocial Management of Rural Ankylosing Spondylitis in a Pregnant Woman: A Case Report. (April 28, 2024) Cureus 16(4): e59187. doi:10.7759/ cureus.59187 (IF 1.0)

7. Taichi Fujimori, Chiaki Sano, Ryuichi Ohta: Drug-Induced Hypersensitivity Syndrome Due to Long-Term Usage of Methotrexate: A Case Report. (April 20, 2024) Cureus 16(4): e58659. doi:10.7759/cureus.58659 (IF 1.0)

8. Taichi Matsubara, Chihiro Uda, Chiaki Sano, Ryuichi Ohta: A Case Report of Remitting Seronegative Symmetrical Synovitis With Pitting Edema Causing Severe Anemia, Acute Progressive Dementia, and Chronic Eczema in an Older Female. (April 24, 2024) Cureus 16 (4): e58940. doi:10.7759/cureus.58940 (IF 1.0)

9. Ryuichi Ohta, Tachiko Nitta, Akiko Shimizu, Chiaki Sano: Role of family medicine physicians in providing nutrition support to older patients admitted to orthopedics departments: a grounded theory approach. BMC Primary Care 2024, 25(121): doi.org/10.1186/ s12875-024-02379-4 (IF 2.0)

10.Ryuichi Ohta, Toshihiro Yakabe, Hiroshi Adachi, Chiaki Sano: Linking Agricultural Activity Frequency to Loneliness in Rural Hospital Patients: A Cross-Sectional Study. (May 08, 2024) Cureus 16(5): e59909. doi:10.7759/cureus.59909 (IF 1.0)

11.Miharu Kawanishi, Shinichiro Suyama, Nozomi Nishikura, Chiaki Sano, Ryuichi Ohta: Seronegative Rheumatoid Arthritis in an Elderly Dialysis Patient With Multiple Comorbidities: A Case Report. (May 10, 2024) Cureus 16(5): e60066. doi:10.7759/ cureus.60066 (IF 1.0)

12.Ryuichi Ohta, Chiaki Sano: Family Medicine Implementation to Maternal and Child Health in Rural Japan: A Narrative Review. (May 14, 2024) Cureus 16(5): e60305. doi:10.7759/cureus. 60305 (IF 1.0)

13.Ryuichi Ohta, Chiaki Sano: Disparity of the Treatment of Unresectable Non-small Cell Lung Cancer Regarding Chemotherapy: A Systematic Review and Meta-Analysis. (May 19, 2024) Cureus 16(5): e60635. doi:10.7759/cureus.60635 (IF 1.0)

14.Hisae Minamioka, Yuto Tsukihashi, Tasuku Yano, Chiaki Sano, Ryuichi Ohta: Giant Cell Arteritis With Sepsis-Like Symptoms in an Elderly Man: A Case Report. (May 25, 2024) Cureus 16(5): e61074. doi:10.7759/cureus.61074 (IF 1.0)

15.Saaya Nakazato, Shota Ogawa, Kohei Oka, Chiaki Sano, Ryuichi Ohta: Chronic and Acute Drug-Induced Hypersensitivity Syndrome in a Rural Patient With Cytomegalovirus Infection: A Case Report. (May 30, 2024) Cureus

16(5): e61376. doi:10.7759/cureus.61376 (IF 1.0) 16.Ryuichi Ohta, Keita Inoue, Chiaki Sano: Anti-neutrophil Cytoplasmic Antibody-Negative Rapid Progressive Glomerulonephritis With Mild Pathological Presentation in an Older Patient: A Case Report. (May 30, 2024) Cureus 16(5): e61390. doi:10.7759/cureus.61390 (IF 1.0)

17.Ryuichi Ohta, Toshihiro Yakabe, Hiroshi Adachi, Chiaki Sano: The Association Between the Frequency of Agriculture and Control of Chronic Diseases Among Regular Patients in Rural Community Hospitals: A Cross-Sectional Study. (June 21, 2024) Cureus 16(6): e62849. doi:10.7759/cureus.62849 (IF 1.0)

18.Ryuichi Ohta, Yumi Naito, Chiaki Sano: Extended Follow-Up and Analysis of Non-secretory IgG-Type Multiple Myeloma in a Patient With Fibromyalgia: A Case Report. (June 27, 2024) Cureus 16(6): e63321. doi:10.7759/cureus.63321 (IF 1.0)

19.Ryuichi Ohta, Toshihiro Yakabe, Chiaki Sano: Perceptions of C-reactive Protein Measurement Among General Physicians: A Qualitative Study on Diagnostic Value, Clinical Dilemmas, and Professional Growth. (July 02, 2024) Cureus 16(7): e63695. doi:10.7759/cureus.63695 (IF 1.0)

20.Ryuichi Ohta, Chiaki Sano: The Quality of Family Medicine Team Conferences Through the Lens of a Director: An Autoethnography. (July 09, 2024) Cureus 16(7): e64173. doi:10.7759/ cureus.64173 (IF 1.0)

21.Ryuichi Ohta, Toshihiro Yakabe, Hiroshi Adachi, Chiaki Sano: Association Between Pneumococcal Vaccination Uptake and Loneliness Among Regular Patients in Rural Community Hospitals: A Cross-Sectional Study. (July 24, 2024) Cureus 16(7): e65293. doi:10.7759/cureus.65293 (IF 1.0)

22.Ryuichi Ohta, Chiaki Sano: Factors a¢ecting the duration of initial medical care seeking among older rural patients diagnosed with rheumatoid arthritis: a retrospective cohort study. BMC rheumatology 2024, 8(1), 23; doi.org/10.1186/s41927-024-00392-9 (IF 2.1)

23.Ryuichi Ohta, Kei Tsumura, Chiaki Sano: The Relationship Between Hyperalbuminemia and Unscheduled Medical Visits: A Retrospective Cohort Study. (July 28, 2024) Cureus 16(7): e65585. doi:10.7759/cureus.65585 (IF 1.0)

24.Ryuichi Ohta, Kentaro Yoshioka, Chiaki Sano: Evolution of the roles of family physicians through collaboration with rehabilitation therapists in rural community hospitals: a grounded theory approach. BMC primary care 2024, 25(1), 283; doi.org/10.1186/ s12875-024-02540-z (IF 2.0)

25.Ayato Nakagawa, Natsumi Yamamoto, Chiaki Sano, Ryuichi Ohta: Polymyalgia Rheumatica Complicated by Nephrotic Syndrome in a Nonagenarian: A Case Report. (August 10, 2024) Cureus 16(8): e66592. doi:10.7759/cureus.66592 (IF 1.0)

26.Ryuichi Ohta, Toshihiro Yakabe, Hiroshi Adachi, Chiaki Sano: Community Health Dialogue Implementation for the Solution of Loneliness in Rural Communities: Autoethnography. (August 19, 2024) Cureus 16(8): e67245. doi:10.7759/cureus.67245 (IF 1.0)

27.Ryuichi Ohta, Chiaki Sano: Deepening the Understanding of Inflammatory Conditions Through Rheumatology Education in Family Medicine: An Autoethnography. (August 25, 2024) Cureus 16(8): e67741. doi:10.7759/cureus.67741 (IF 1.0)

28.Kasumi Nishikawa, Ryuichi Ohta, Chiaki Sano: The e¢ect of management of older patients with heart failure by general physicians on mortality and hospitalization rates: a retrospective cohort study. BMC primary care 2024, 25(1), 330: doi.org/10.1186/ s12875-024-02558-3 (IF 2.0)

29.Ryuichi Ohta, Chiaki Sano: Prostate Cancer Care in Rural Primary Care Contexts: A Narrative Review. (September 07, 2024) Cureus 16(9): e68890. doi:10.7759/cureus.68890 (IF 1.0)

30.Chihiro Uda, Kei Tsumura, Chiaki Sano, Ryuichi Ohta: Recurrence of Sigmoid Volvulus Associated With Constipation: A Retrospective Cohort Study. (September 09, 2024) Cureus 16(9): e68972. doi:10.7759/cureus.68972 (IF 1.0)

31.Chihiro Uda, Ryuichi Ohta, Takashi Koike, Chiaki Sano: Challenges in Managing External Dental Fistula in an Immunocompromised Elderly Patient: A Case Report. (September 19, 2024) Cureus 16(9): e69742. doi:10.7759/cureus.69742 (IF 1.0)

32.Ryuichi Ohta, Chiaki Sano: Aspiration as an Initial Symptom of Early-Stage Esophageal Cancer: A Case Report. (September 19, 2024) Cureus 16(9): e69758. doi:10.7759/cureus. 69758 (IF 1.0)

33.Ryuichi Ohta, Chiaki Sano: Factors A•ecting Recurrent Staphylococcus aureus Bacteremia Among Older Patients in Rural Community Hospitals: A Retrospective Cohort Study. (September 24, 2024) Cureus 16(9): e70120. doi:10.7759/cureus.70120 (IF 1.0)

34.Ryosuke Kashiwaba, Kohei Oka, Natsumi Yamamoto, Chiaki Sano, Ryuichi Ohta: Persistent Fever in an Elderly Patient: Diagnostic Challenges and Management of Aspiration Pneumonitis and Organizing Pneumonia. (September 24, 2024) Cureus 16(9): e70121. doi:10.7759/cureus.70121 (IF 1.0)

35.Chihiro Uda, Ryuichi Ohta, Chiaki Sano: Advanced Gouty Nephropathy Complicated With Type 1 Renal Tubular Acidosis: A Case Report. (October 08, 2024) Cureus 16(10): e71094. doi:10.7759/cureus.71094 (IF 1.0)

36.Yudai Tanaka, Ryuichi Ohta, Chiaki Sano: Impact of Chronic Organ Disorder Staging on Hospitalization Risk in Elderly Patients With Multimorbidity: A Retrospective Cohort Study. (October 09, 2024) Cureus 16(10): e71168. doi:10.7759/cureus.71168 (IF 1.0)

37.Natsumi Yamamoto, Ryuichi Ohta, Akira Yamasaki, Chiaki Sano: Anti-Neutrophil Cytoplasmic Antibody (ANCA)-Associated Fasciitis Mimicking Pseudogout in an Older Patient: A Diagnostic Challenge and Treatment Approach. (October 16, 2024) Cureus 16(10): e71585. doi:10.7759/cureus.71585 (IF 1.0)

38.Saya Hiramine, Yudai Tanaka, Chiaki Sano, Ryuichi Ohta: Invasive Group A Streptococcal Meningitis Following COVID-19 Infection Complicated by Multisystem Inflammatory Syndrome: A Case Report. (October 20, 2024) Cureus 16(10): e71945. doi:10.7759/ cureus.71945

39.Issei Tanaka, Yutaka Sato, Chiaki Sano, Ryuichi Ohta: Pancytopenia and Acute Liver Failure Caused by Mild COVID-19 in an Older Patient: A Case Report. (October 30, 2024) Cureus 16 (10): e72681. doi:10.7759/cureus.72681 (IF 1.0)

40.Satoru Sekiguchi, Ryuichi Ohta, Chiaki Sano: Low Body Mass Index as a Significant Risk Factor for Hypoglycemia in Hospitalized Elderly Patients With Acute Pyelonephritis: A Retrospective Cohort Study. (October 30, 2024) Cureus 16(10): e72682. doi:10.7759/ cureus.72682 (IF 1.0)

41.Chihiro Uda, Ryuichi Ohta, Yoko Senaha, Chiaki Sano: Castleman Disease Presenting as Unexplained Abdominal Pain in a 93-Year-Old Woman: A Case Report. (November 01, 2024) Cureus 16(11): e72844. doi:10.7759/cureus.72844 (IF 1.0)

42.Ryuichi Ohta, Toshihiro Yakabe, Chiaki Sano: The development of an online-based rural community of practice framework for addressing health issues among rural citizens: a grounded theory approach. BMC public health 24(1) 3166: doi.org/10.1186/ s12889-024-20690-8 (IF 3.5)

43.Ryuichi Ohta, Chiaki Sano: E•ectiveness of General Medicine in the Management of Rheumatoid Arthritis in Rural Settings: A Systematic Review and Meta-Ethnography. (November 15, 2024) Cureus 16(11): e73726. doi:10.7759/cureus.73726 (IF 1.0)

44.Sayaka Mabuchi, Ryuichi Ohta, Chiaki Sano: Osteoporosis management in a rural community hospital in Japan: a cross-sectional retrospective study. BMJ open 14(11) e086845: doi.org/10.1136/bmjopen-2024-086845 (IF 2.4)

45.Ryuichi Ohta, Chiaki Sano: Loneliness and the Associating Factors Among Regular Patients in Rural Community Hospitals: A Cross-Sectional Study. (January 20, 2025) Cureus 17(1): e77723. doi:10.7759/cureus.77723 (IF 1.0)

46.Yudai Tanaka, Ryuichi Ohta, Chiaki Sano: Successful Management of Rapidly Progressive Interstitial Pneumonia With Autoimmune Features in an Elderly Patient: A Case Report. (January 31, 2025) Cureus 17(1): e78303. doi:10.7759/cureus.78303 (IF 1.0)

47.Yuta Horinishi, Rimi Horinishi, Chiaki Sano, Ryuichi Ohta: The Role of Beauty Salons in Community Health Promotion: Exploring Health Engagement and Social Connectivity in Japanese Hair Salons. (February 23, 2025) Cureus 17(2): e79511. doi:10.7759/cureus.79511 (IF 1.0)