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1.
Sci Rep ; 14(1): 11114, 2024 05 15.
Artigo em Inglês | MEDLINE | ID: mdl-38750118

RESUMO

Oral bacteria are known to be associated with perioperative complications during hospitalization. However, no presented reports have clarified the relationship of oral bacterial number with medical costs for inpatients. The Diagnosis Procedure Combination (DPC) database system used in Japan provides clinical information regarding acute hospital patients. The present study was conducted to determine the association of oral bacterial numbers in individual patients treated at a single institution with length of hospital stay and medical costs using DPC data. A total of 2369 patients referred by the medical department to the dental department at Hiroshima University Hospital were divided into the low (n = 2060) and high (n = 309) oral bacterial number groups. Length of hospital stay and medical costs were compared between the groups, as well as the associations of number of oral bacteria with Charlson comorbidity index (CCI)-related diseases in regard to mortality and disease severity. There was no significant difference in hospital stay length between the low (24.3 ± 24.2 days) and high (22.8 ± 20.1 days) oral bacterial number groups. On the other hand, the daily hospital medical cost in the high group was significantly greater (US$1456.2 ± 1505.7 vs. US$1185.7 ± 1128.6, P < 0.001). Additionally, there was no significant difference in CCI score between the groups, whereas the daily hospital medical costs for patients in the high group treated for cardiovascular disease or malignant tumors were greater than in the low number group (P < 0.05). Multivariate regression analysis was also performed, which showed that oral bacterial number, age, gender, BMI, cardiovascular disease, diabetes, malignant tumor, and hospital stay length were independently associated with daily hospitalization costs. Monitoring and oral care treatment to lower the number of oral bacteria in patients affected by cardiovascular disease or cancer may contribute to reduce hospitalization costs.


Assuntos
Hospitalização , Tempo de Internação , Humanos , Feminino , Masculino , Japão/epidemiologia , Idoso , Tempo de Internação/economia , Pessoa de Meia-Idade , Hospitalização/economia , Boca/microbiologia , Bases de Dados Factuais , Idoso de 80 Anos ou mais , Custos Hospitalares , Carga Bacteriana , Bactérias/isolamento & purificação , Bactérias/classificação , Custos de Cuidados de Saúde , Adulto
2.
Arch Oral Biol ; 158: 105854, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38056228

RESUMO

OBJECTIVE: Root resorption may occur during orthodontic treatment. Herein, we investigated the effect of a culture supernatant of stem cells derived from human exfoliated deciduous teeth on root resorption. DESIGN: Twelve 8-week-old male Sprague-Dawley rats were used, and their maxillary first molars were pulled with excessive orthodontic force to induce root resorption. On days 1 and 7 after traction initiation, stem cells derived from human exfoliated deciduous teeth and alpha minimum essential medium (control group) were administered. After 14 days, the maxillary bone was evaluated for tooth movement. The expression of osteoprotegerin, receptor activator of nuclear factor κB ligand, tumor necrosis factor α, interleukin 1ß, interleukin 6, and interleukin 17 was evaluated on the compression side and tension side. RESULTS: No significant difference in tooth movement was observed between the two groups. Root resorption decreased in the group administered the culture supernatant compared with in the control. Immunohistochemical staining revealed increased osteoprotegerin expression and decreased receptor activators for nuclear factor κB ligand, tumor necrosis factor α, interleukin 1ß, interleukin 6, and interleukin 17 on the compression side and tension side. CONCLUSIONS: Administration of stem cells derived from human exfoliated deciduous teeth affected the expression of osteoprotegerin, receptor activator of nuclear factor κB ligand, tumor necrosis factor α, interleukin 1ß, interleukin 6 and interleukin 17; hence, these stem cells may inhibit root resorption by regulating their expression.


Assuntos
Reabsorção da Raiz , Ratos , Humanos , Masculino , Animais , Reabsorção da Raiz/metabolismo , Osteoprotegerina/metabolismo , Interleucina-17/metabolismo , Fator de Necrose Tumoral alfa/metabolismo , Osteoclastos , Interleucina-6/metabolismo , Ligante RANK/metabolismo , Interleucina-1beta/metabolismo , Ratos Sprague-Dawley , Células-Tronco/metabolismo , Dente Decíduo , Técnicas de Movimentação Dentária
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