Faculty Profiles - Ando Mizuo

Papers - Ando Mizuo

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Survey of pharyngeal foreign bodies in Japan: An ecological study using the nationwide claims data Reviewed International journal

Shintaro Tanaka, Kensuke Uraguchi, Etsuji Suzuki, Naomi Matsumoto, Munechika Tsumura, Shohei Fujimoto, Shotaro Miyamoto, Takashi Yorifuji, Mizuo Ando

International Journal of Pediatric Otorhinolaryngology 184 112055 - 112055 2024.9

Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier BV

OBJECTIVE: Pharyngeal foreign bodies (PFBs) are a prevalent disease affected by food culture and dietary habits, with fish bones as the leading cause. Most studies were limited to specific regions, and a nationwide survey was not conducted in Japan. In this ecological study, we aimed to conduct a nationwide analysis of outpatient PFB cases in Japan over three years, focusing on seasonal trends, sex- and age-stratified cases, and regional differences. METHODS: We used the National Database of Health Insurance Claims and Specific Health Checkups of Japan open data from April 2019 to March 2022. The case data were analyzed by month, age, sex, and prefecture. Additionally, we calculated the standardized claim ratios (SCRs) for each prefecture and investigated the association between dietary habits, food culture, and SCR of PFBs using a two-level linear regression model. RESULTS: We analyzed a total of 164,337 outpatient PFB cases in Japan, revealing an average incidence rate of 45.6 per 100,000 persons. The seasonal trend revealed a peak in July each year from 2019 to 2021, confirming seasonality in PFB incidents. Children reported a higher incidence rate. Living west of Japan and expenditure on fish and shellfish had a strongly positive association with the SCR of PFBs. CONCLUSION: Our nationwide survey reveals that, even within Japan, there were regional variations influenced by food culture and dietary habits. The data showed that PFB incidence was higher among children, highlighting the need for preventive education. LEVEL OF EVIDENCE: Level 3.

DOI： 10.1016/j.ijporl.2024.112055

Endoscopic Transpterygoid Repair of Sphenoid Sinus Meningocele: A Comprehensive Case Report and Literature Review. Reviewed International journal

Aiko Shimizu, Seiichiro Makihara, Ryoji Imoto, Koji Hirashita, Mizuo Ando

Auris, nasus, larynx 51 ( 5 ) 875 - 879 2024.8

Language：English Publishing type：Research paper (scientific journal)

We report a challenging and uncommon case involving a 53-year-old Japanese man with cerebrospinal fluid (CSF) leakage caused by a meningocele in the lateral recess of the sphenoid sinus. Our innovative treatment approach involved a combination of transpterygoid and endoscopic modified medial maxillectomy techniques, with special emphasis on the preservation of the sphenopalatine artery. This strategic preservation was pivotal to the successful use of the ipsilateral nasoseptal flap for reconstruction, which played a crucial role in the prevention of postoperative CSF leakage. Otolaryngologists and neurosurgeons collaborated to perform the bath-plugging technique; effective collaboration was instrumental to the success of the procedure. This report highlights significant advancement from conventional frontal craniotomy to a more sophisticated endoscopic technique, shows the importance of meticulous surgical planning and execution, emphasizes careful preservation of critical anatomical structures during complex neurosurgical and otolaryngological procedures, and underscores the evolving landscape of surgical approaches for managing complex medical conditions.

DOI： 10.1016/j.anl.2024.08.003

Shifting paradigms in endoscopic sinus surgery: a comprehensive analysis from Japan's national database. Reviewed International journal

Seiichiro Makihara, Kensuke Uraguchi, Shohei Fujimoto, Aiko Shimizu, Shin Kariya, Mitsuhiro Okano, Takashi Yorifuji, Mizuo Ando

Acta oto-laryngologica 1 - 6 2024.8

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: In 2013, Japan established a standardized classification system for categorizing endoscopic sinus surgery (ESS) into types I-V, yet no evaluation has been conducted thereof. OBJECTIVE: We assessed the ESS trends and status in Japan, focusing on outpatient and inpatient surgeries. MATERIAL AND METHODS: This descriptive retrospective cohort study used Japan's National Database of Health Insurance Claims and Specific Health Checkups between 2014 and 2021. The distribution of ESS types I-V and outpatient and inpatient surgeries was analysed, along with age groups and regional differences, focusing on ESS type III. RESULTS: Overall, 427,813 ESS procedures were performed, with types III and IV being most common. Outpatient ESS type III increased substantially compared to inpatient surgeries. Younger individuals favoured outpatient ESS type III over inpatient surgeries, with substantial regional variations across prefectures. CONCLUSIONS AND SIGNIFICANCE: The adoption of a standardized ESS classification in Japan has facilitated a detailed understanding of surgical trends. The shift toward outpatient surgeries, especially for type III ESS, aligns with global trends toward minimally invasive procedures and reflects changing patient preferences and healthcare delivery practices. Consequently, continuous monitoring and research are crucial for adapting surgical practices to the evolving healthcare needs and patient expectations.

DOI： 10.1080/00016489.2024.2389179

Exploring factors influencing the hearing test and hearing aid adoption among Japanese older adults: Implications of recognizing the hearing loss-dementia relationship. Reviewed International journal

Ichiro Fukumasu, Yuko Kataoka, Takahiro Tabuchi, Kentaro Egusa, Mizuo Ando

Auris, nasus, larynx 51 ( 4 ) 822 - 827 2024.8

Language：English Publishing type：Research paper (scientific journal)

OBJECTIVE: The hearing aid adoption rate among older adults in Japan is lower than that in other developed countries. Herein, a survey was conducted to identify this bottleneck and develop countermeasures. This study aimed to examine whether raising awareness of the relationship between hearing loss and dementia is significant for hearing tests and adopting hearing aids. METHODS: A questionnaire was administered to participants aged 65 or older who visited a general hospital to determine the background factors (1) for a recent history of hearing tests, (2) for the desire to visit an otolaryngologist and have a hearing test, (3) for recognizing the hearing loss-dementia relationship, and (4) for adopting hearing aids. RESULTS: A total of 517 patients (mean age, 78.06; SD 6.97), representing 2.4% of the region's older-adult population, participated in the survey. A history of hearing tests within five years was significantly associated with recognizing the hearing loss-dementia relationship (adjusted OR 2.36, 95% CI 1.49-3.72). The desire to visit an otolaryngologist or have a hearing test was significantly associated with recognizing the hearing loss-dementia relationship (adjusted OR 1.70, 95% CI 1.02-2.85). Moreover, 39.3% were aware of the hearing loss-dementia relationship. The significant associated factors were being female (OR 2.50, 95% CI 1.64-3.81) and having interpersonal hobbies (OR 1.66, 95% CI 1.11-2.49). The significant background factors for adopting hearing aids were older age (OR 6.95, 95% CI 1.90-25.40), self-reported severe hearing impairment (OR 5.49, 95% CI 2.55-11.80), and living alone (OR 2.63, 95% CI 1.18-5.89). Recognizing the hearing loss-dementia relationship was not a significant factor. CONCLUSION: Raising awareness of the hearing loss-dementia relationship was not associated with adopting hearing aids for self-reported hearing impairments. However, it may be associated with otolaryngology visits and hearing tests. Thus, steps like hearing screening for older adults are also essential.

DOI： 10.1016/j.anl.2024.07.001

A Rare Subglottic Pleomorphic Adenoma: Magnetic Resonance Findings. Reviewed

Chieko Furukawa, Tomoyasu Tachibana, Tetsuji Nobuhisa, Yuichiro Kanie, Yoji Wani, Jun-Ya Matsumoto, Akifumi Kariya, Asuka Sato, Iichiro Ishikawa, Yuto Naoi, Mizuo Ando

Acta medica Okayama 78 ( 4 ) 331 - 335 2024.8

Language：English Publishing type：Research paper (scientific journal)

No previous study has published magnetic resonance imaging (MRI) findings for a subglottic pleomorphic adenoma. Here, we describe the case of a 62-year-old man with a subglottic pleomorphic adenoma. Endoscopic findings revealed a smooth-surfaced tumor arising from the subglottic posterior wall. MRI revealed the lesion as an isointense region on T1-weighted images, which was homogeneously enhanced. This lesion showed a heterogeneously hyperintense region on T2-weighted images. Diffusion-weighted imaging (DWI) showed slightly high intensity in the same area, with a normal or only slightly high apparent diffusion coefficient (ADC). Laryngomicrosurgery was performed for transoral excision of the subglottic tumor, resulting in a postsurgical diagnosis of pleomorphic adenoma.

DOI： 10.18926/AMO/67549

Middle-Ear Salivary Gland Choristoma with Congenital, Single-Sided Hearing Loss. Reviewed

Yuichiro Tominaga, Akiko Sugaya, Shin Kariya, Aiko Shimizu, Yuko Kataoka, Mizuo Ando

Acta medica Okayama 78 ( 4 ) 349 - 355 2024.8

Language：English Publishing type：Research paper (scientific journal)

Middle-ear salivary gland choristoma (SGCh) is a rare, benign tumor that causes conductive hearing loss owing to middle-ear morphological abnormalities. Early diagnosis is challenging, and surgical resection is indispensable for a definitive diagnosis. We report the case of a 3-year-old boy diagnosed with middle-ear SGCh during the follow-up period for left-sided hearing loss discovered at newborn hearing screening (NHS). Long-term follow-up after the NHS result, subsequent computed tomography/magnetic resonance imaging, and surgical resection led to its relatively early diagnosis and treatment.

DOI： 10.18926/AMO/67554

Pneumocephalus with Inverted Papilloma in the Frontoethmoidal Sinus: Case Report and Literature Review. Reviewed

Seiichiro Makihara, Yoshihiro Otani, Kensuke Uraguchi, Sawako Ono, Aiko Shimizu, Ryosuke Ikemachi, Yosuke Okazaki, Tomoyuki Ota, Hiroshi Matsumoto, Shotaro Miyamoto, Munechika Tsumura, Seiya Hayashi, Michiari Umakoshi, Koji Hirashita, Mizuo Ando

Acta medica Okayama 78 ( 4 ) 337 - 343 2024.8

Language：English Publishing type：Research paper (scientific journal)

Here, we describe the unique case of a pneumocephalus originating from an inverted papilloma (IP) in the frontoethmoidal sinus. A 71-year-old man with diabetes presented with headaches and altered consciousness. Imaging revealed the pneumocephalus together with bone destruction in the left frontal sinus. He underwent simultaneous endoscopic endonasal and transcranial surgery using an ORBEYE exoscope. Pathological diagnosis of the tumor confirmed IP. Post-surgery, the pneumocephalus was significantly resolved and the squamous cell carcinoma antigen level, which had been elevated, decreased. This case underscores the importance of a multidisciplinary approach and innovative surgical methods in treating complex sinonasal pathologies.

DOI： 10.18926/AMO/67550

Neurectomy for allergic rhinitis in Japan: Increasing trends and surgeon preferences. Reviewed International journal

Seiichiro Makihara, Kei Hosoya, Kensuke Uraguchi, Yohei Maeda, Taro Komachi, Takashi Yorifuji, Mizuo Ando, Shoji Matsune, Kimihiro Okubo

Auris, nasus, larynx 51 ( 5 ) 834 - 839 2024.7

Language：English Publishing type：Research paper (scientific journal)

OBJECTIVE: There is no consensus on the optimal surgical technique for allergic rhinitis (AR). Furthermore, the appropriateness of surgical intervention in children and older individuals remains debatable. This study aimed to analyze trends and patterns in the surgical management of AR in Japan, focusing on parasympathetic neurectomy. METHODS: Using the National Database of Health Insurance Claims and Specific Health Checkups of Japan (NDB), we conducted a comprehensive review of procedures performed between April 2014 and March 2022. In addition, a cross-sectional survey targeting otolaryngologists across Japan was conducted to gather insights into surgical preferences and practices. RESULTS: The NDB data showed an increasing trend in neurectomies, with the most frequent age group being 25-29 years; the procedure was also performed in pediatric and older patients. The survey among otolaryngologists indicated that 58.2 % of surgeons preferred peripheral branch neurectomy of the posterior nasal nerve. The findings of this study also indicated a cautious approach toward conducting these procedures in children, with 51.2 % of surgeons considering patients less than 18 years of age unsuitable for the procedure. CONCLUSION: This study highlighted a shift toward simple and minimally invasive surgical methods, such as peripheral branch neurectomy, in Japan. However, further research is needed to understand the long-term outcomes and refine the surgical techniques. The findings of this study also emphasized the need for age-specific considerations when treating pediatric and older patients with AR.

DOI： 10.1016/j.anl.2024.07.005

Role of nasal polyp-derived innate lymphoid cells in staphylococcal enterotoxin-induced cellular responses. Reviewed International journal

Kengo Kanai, Aiko Oka, Shin Kariya, Tazuko Fujiwara, Takaya Higaki, Seiichiro Makihara, Takenori Haruna, Maki Akamatsu, Kazunori Nishizaki, Mizuo Ando, Mitsuhiro Okano

Allergology international : official journal of the Japanese Society of Allergology 73 ( 3 ) 477 - 480 2024.7

A case of an electric toothbrush tip penetrating from the oral cavity to the submandibular gland. Reviewed International journal

Naoki Akisada, Takuma Makino, Yuto Naoi, Yoshinori Taguchi, Yuto Moriwaki, Mizuo Ando

Clinical case reports 12 ( 6 ) e8987 2024.6

Pediatric otitis media in Japan: A nationwide longitudinal study of the pre- and post-pneumococcal conjugate vaccine eras born in 2001 and 2010. Reviewed International journal

Kensuke Uraguchi, Naomi Matsumoto, Toshiharu Mitsuhashi, Soshi Takao, Seiichiro Makihara, Mizuo Ando, Takashi Yorifuji

Vaccine 42 ( 19 ) 4081 - 4087 2024.5

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: Otitis media (OM) is a prevalent respiratory disease in children and poses significant public health challenges due to its impact on child health and economic burdens. However, there have no nationwide epidemiological studies conducted in Japan. This study investigates the epidemiological trends of OM in Japan, taking into account the impact of the 7-valent pneumococcal conjugate vaccine (PCV7) introduction. METHOD: This study was retrospective cohort study using secondary data on the nationwide longitudinal birth cohort. This survey followed two cohorts born in 2001 (pre-PCV era) and 2010 (post-PCV era) until the age of 9. Every year, parents were surveyed about their children's health status, including occurrences of OM. The annual period prevalence and cumulative incidence of OM were assessed in this study, and the two cohorts were compared using a modified Poisson regression model adjusted environmental factors with the 2001 cohort as reference. RESULT: The study included 47,015 children from the 2001 cohort and 38,554 from the 2010 cohort. Peak annual period prevalence of OM varied by era. Cumulative incidence was 13.8 % for the 2001 cohort and 18.5 % for the 2010 cohort by 1.5 years of age and 28.9 % and 33.3 %, respectively, by 3.5 years of age. In particular, from the fourth survey onward, covering ages 2.5-3.5 years, a shift was observed from an increased risk to a decreased risk of OM. CONCLUSION: This nationwide longitudinal study emphasizes variations in OM epidemiology across Japan over time, with changes potentially influenced by the introduction of PCV7. In this study, due to the absence of individual PCV7 vaccination data, the effect of PCV7 was estimated based on the vaccination rate at the population level. The results suggest a notable decrease in the incidence of OM in later years, aligning with the increased uptake of PCV7.

DOI： 10.1016/j.vaccine.2024.05.020

Upper airway obstruction due to congenital epiglottic cyst: Report of two cases. Reviewed International journal

Kensuke Uraguchi, Yuichiro Otsuka, Hidenori Marunaka, Mizuo Ando

Congenital anomalies 64 ( 4 ) 184 - 185 2024.5

Comprehensive genomic profiling of salivary gland carcinoma: Analysis of the Center for Cancer Genomics and Advanced Therapeutics database in Japan. Reviewed International journal

Sho Iwaki, Daisuke Kawakita, Toshitaka Nagao, Yuichiro Tada, Yoshitaka Honma, Mizuo Ando, Takuma Matoba, Kiyoshi Minohara, Satsuki Nakano, Takayuki Murase, Shinichi Iwasaki, Hiroshi Inagaki

International journal of cancer 155 ( 5 ) 871 - 882 2024.4

Language：English Publishing type：Research paper (scientific journal)

Comprehensive information on genetic alterations in salivary gland cancer (SGC) is limited. This study aimed to elucidate the genetic and clinical characteristics of patients with SGC using the Center for Cancer Genomics and Advanced Therapeutics (C-CAT) database, a Japanese national genomic database. We analyzed data of 776 patients with SGC registered in the C-CAT database between June 1, 2019, and June 30, 2023. Adenoid cystic carcinoma was the most common histologic type, followed by salivary duct carcinoma (SDC) and adenocarcinoma not otherwise specified. Genetic data of 681 patients receiving FoundationOne® CDx were analyzed. We identified specific features of the combination of TP53 and CDKN2A alterations among the histological types. Specific LYN amplification was mainly detected in carcinoma ex pleomorphic adenoma and myoepithelial carcinoma. For SDC, the frequency of ERBB2 and BRAF alterations were higher in cases with metastatic lesions than in those with primary lesions. Although 28.6% patients were offered recommended treatment options, only 6.8% received the recommended treatments. This study highlights the differences in genetic alterations among the histological types of SGC, with comprehensive genomic profiling tests revealing lower drug accessibility. These findings could contribute to the development of personalized treatment for patients with SGC.

DOI： 10.1002/ijc.34972

CD106 in tumor-specific exhausted CD8+ T cells mediates immunosuppression by inhibiting TCR signaling. Reviewed International journal

Yuto Naoi, Takao Morinaga, Joji Nagasaki, Ryo Ariyasu, Youki Ueda, Kazuo Yamashita, Wenhao Zhou, Shusuke Kawashima, Katsushige Kawase, Akiko Honobe-Tabuchi, Takehiro Ohnuma, Tatsuyoshi Kawamura, Yoshiyasu Umeda, Yu Kawahara, Yasuhiro Nakamura, Yukiko Kiniwa, Osamu Yamasaki, Satoshi Fukushima, Masahito Kawazu, Yutaka Suzuki, Hiroyoshi Nishikawa, Toyoyuki Hanazawa, Mizuo Ando, Takashi Inozume, Yosuke Togashi

Cancer research 84 ( 13 ) 2109 - 2122 2024.4

Language：English Publishing type：Research paper (scientific journal)

T cell exhaustion is a major contributor to immunosuppression in the tumor microenvironment (TME). Blockade of key regulators of T cell exhaustion, such as PD-1, can reinvigorate tumor-specific T cells and activate anti-tumor immunity in various types of cancer. Here, we identified that CD106 was specifically expressed in exhausted CD8+ T cells in the TME using single-cell RNA-sequencing. High CD106 expression in the TME in clinical samples corresponded to improved response to cancer immunotherapy. CD106 in tumor-specific T cells suppressed anti-tumor immunity both in vitro and in vivo, and loss of CD106 in CD8+ T cells suppressed tumor growth and improved response to PD-1 blockade. Mechanistically, CD106 inhibited T-cell receptor (TCR) signaling by interacting with the TCR/CD3 complex and reducing its surface expression. Together, these findings provide insights into the immunosuppressive role of CD106 expressed in tumor-specific exhausted CD8+ T cells, identifying it as a potential biomarker and therapeutic target for cancer immunotherapy.

DOI： 10.1158/0008-5472.CAN-23-0453

Combined simultaneous endoscopic endonasal and transcranial surgery using high-definition three-dimensional exoscope for malignant tumors of the anterior skull base. Reviewed International journal

Seiichiro Makihara, Yoshihiro Otani, Kensuke Uraguchi, Aiko Shimizu, Aya Murai, Takaya Higaki, Naoki Akisada, Shohei Fujimoto, Takuma Makino, Joji Ishida, Kentaro Fujii, Takao Yasuhara, Tomoyuki Ota, Hiroshi Matsumoto, Mizuo Ando

Head & neck 46 ( 5 ) 1074 - 1082 2024.3

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: Advanced surgical interventions are required to treat malignancies in the anterior skull base (ASB). This study investigates the utility of endoscopic endonasal and transcranial surgery (EETS) using a high-definition three-dimensional exoscope as an alternative to traditional microscopy. METHODS: Six patients with carcinomas of varying histopathologies underwent surgery employing the EETS maneuver, which synchronized three distinct surgical modalities: harvesting of the anterolateral thigh flap, initiation of the transnasal technique, and initiation of the transcranial procedure. RESULTS: The innovative strategy enabled successful tumor resection and skull base reconstruction without postoperative local neoplastic recurrence, cerebrospinal fluid leakage, or neurological deficits. CONCLUSION: The integration of the exoscope and EETS is a novel therapeutic approach for ASB malignancies. This strategy demonstrates the potential of the exoscope in augmenting surgical visualization, enhancing ergonomics, and achieving seamless alignment of multiple surgical interventions. This technique represents a progressive shift in the management of these complex oncological challenges.

DOI： 10.1002/hed.27724

Various arrangements of pharyngeal flap in soft palate reconstruction after cancer treatment. Reviewed International journal

Hiroshi Matsumoto, Tomoyuki Ota, Motoi Kato, Takuma Makino, Seiichiro Makihara, Mizuo Ando, Yoshihiro Kimata

Head & neck 46 ( 7 ) 1573 - 1581 2024.3

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: The pharyngeal flap (PF) is useful for reconstruction of soft palate defects, but effective arrangements of PF for various types of soft palate defects are controversial. Here, we classify three types of soft palate defects and discuss the arrangements of PF and their functional prognosis. METHODS: Reconstruction was performed based on the classification of the defects. Clinical details were collected, and postoperative function was analyzed. RESULTS: Eight patients were included in the study. The defect sizes ranged from 25 (width) × 40 (depth) to 40 × 60 mm. Six patients underwent pharyngeal flap reconstruction with free-flap reconstruction, and two underwent pharyngeal flap reconstruction. The pharyngeal flap was harvested at the maximum width of the posterior pharyngeal wall, ranging from 25 to 40 mm in length. Eating and speaking functions were maintained in all patients. CONCLUSIONS: Good postoperative function can be maintained by narrowing the velopharyngeal space with a pharyngeal flap.

DOI： 10.1002/hed.27712

Two Cases of Malignant External Otitis That Were Successfully Treated by Multidisciplinary Collaboration Reviewed

Akifumi Kariya, Tomoyasu Tachibana, Kazunori Kuroda, Yasutoshi Komatsubara, Mizuo Ando

Practica Oto-Rhino-Laryngologica 117 ( 3 ) 219 - 224 2024

Publishing type：Research paper (scientific journal)

Malignant external otitis (MEO) is an intractable disease with a high mortality rate, despite advances in the development of antimicrobial agents. MEO mainly requires administration of antibiotics, local treatment, and strict management of diabetes mellitus, which takes a long time. We present 2 cases of MEO in elderly patients that were successfully treated by multidisciplinary collaboration. The two patients were referred to our department after conservative treatment failed to improve their condition. In both cases, remission was achieved with hospitalization and multidisciplinary treatment for diabetes mellitus, impaired renal function, activities of daily living (ADL), and cognitive function. As one of the factors contributing to the poor prognosis of MEO, treatment can often not be completed in the elderly, who are more likely to show deterioration of ADL and cognitive functions. In addition, MEO is often not well known, not only to patients, but also to physicians. Awareness of this disease and multidisciplinary treatment are essential to improve the outcomes of MEO.

DOI： 10.5631/jibirin.117.219

Chronic rhinosinusitis possibly associated with decreased lung function in chronic cough patients. Reviewed International journal

Pengfei Zhao, Shin Kariya, Takaya Higaki, Seiichiro Makihara, Toru Rikimaru, Mitsuhiro Okano, Mizuo Ando

Brazilian journal of otorhinolaryngology 90 ( 4 ) 101424 - 101424 2024

Language：English Publishing type：Research paper (scientific journal)

OBJECTIVES: The purpose of this study is to investigate the lung function in Chronic Rhinosinusitis (CRS) patients with Chronic Cough (CC). METHODS: A total of 1413 CC patients were retrospectively screened and 109 CRS patients with CC were enrolled. Lung function, Lund-Mackay Computed Tomography (CT) score, smoking status, peripheral blood eosinophil count, and immunoglobulin E concentration in serum samples, and Sino-Nasal Outcome Test were examined. Normal control subjects are also recruited. RESULTS: The Forced Expiratory Volume in 1 second (FEV1.0), Percent Predicted FEV1.0, and FEV1.0/Forced Vital Capacity (FVC) ratio in the patients were significantly low as compared with the control subjects. The FEV1.0/FVC ratio was negatively correlated with the Lund-Mackay CT scores of the patients with a high CT score. CONCLUSIONS: The CRS patients with CC should be investigated with lung function. In addition, the multidisciplinary evaluation including a pulmonologist is needed to manage the CRS patients with CC. LEVEL OF EVIDENCE: Level 4.

DOI： 10.1016/j.bjorl.2024.101424

The discovery of acatalasemia (lack of catalase in the blood) and its significance in human genetics. Invited Reviewed

Mizuo Ando, Kunihiro Fukushima, Kazunori Nishizaki

Proceedings of the Japan Academy. Series B, Physical and biological sciences 100 ( 7 ) 353 - 367 2024

Language：English Publishing type：Research paper (scientific journal)

Catalase, a heme-containing antioxidant enzyme, was once considered essential for human survival. It is widely distributed in the human body and is particularly abundant in red blood cells. The term "acatalasemia" first appeared in the Proceedings of the Japan Academy in 1951, drawing global attention to families genetically deficient in catalase. This deficiency not only altered the significance of catalase but also played a pioneering role in human genetics during an era of limited genetic methodology. In this article, we examine the discovery of acatalasemia by an otolaryngologist during surgery on an 11-year-old girl. This remarkable journey led to epoch-making research spanning biochemistry, hematology, and human genetics.

DOI： 10.2183/pjab.100.024

Association Between Clinical Remission of Infantile-Onset Allergic Rhinitis During the School-Age Period and the Type of Housing: A Longitudinal Population-Based Japanese Study. Reviewed International journal

Kensuke Uraguchi, Naomi Matsumoto, Toshiharu Mitsuhashi, Soshi Takao, Seiichiro Makihara, Mizuo Ando, Takashi Yorifuji

Journal of pediatric health care : official publication of National Association of Pediatric Nurse Associates & Practitioners 2023.12

Language：English Publishing type：Research paper (scientific journal)

This study investigated the association between housing type and clinical remission of infantile-onset allergic rhinitis (AR) in 53,575 children born in 2001 in Japan. Infantile-onset AR was defined as the presence of AR symptoms reported between ages 1.5 and 4.5 years, and remission was assessed between ages 10 and 12. The type of housing was categorized into detached houses and multi-unit residential buildings with 1-2, 3-5, or ≥6 floors. Among the 4,352 infantile-onset AR, 42.9% experienced remission. Notably, living in multi-unit residential buildings, particularly those with 1-2 and ≥6 floors, was positively associated with AR remission.

DOI： 10.1016/j.pedhc.2023.11.011

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