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Koide Y, Nagai N, Miyauchi R, Nakashima T, Kitagawa T, Aoyama T, Shimizu H, Hashimoto S, Tachibana H, Kodaira T. Classification of Patients with Painful Tumors to Predict the Response to Palliative Radiotherapy. Int J Radiat Oncol Biol Phys 2023; 117:e119. [PMID: 37784664 DOI: 10.1016/j.ijrobp.2023.06.906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Palliative radiotherapy is an effective and commonly used treatment for pain relief in metastatic cancer patients. This study aimed to classify the patients to predict their response to palliative radiotherapy. MATERIALS/METHODS This study used the data from our single-center, prospective observational study (UMIN000044984), which included all patients undergoing palliative radiotherapy for the painful tumor, except for postoperative setting or brain metastases. The eligibility criteria were as follows: (1) numerical rating scale (NRS) was two or more before treatment, and (2) underwent palliative radiotherapy between August 2021 and September 2022. Questionnaires for pain site, NRS, and presence/dose of opioids were obtained before, on the last day of treatment, two weeks later, one month later, three months later, and every three months after that. Patients with severe performance status (PS) were contacted by telephone. Pain response was defined to reduce NRS 2 or more at the treated site without an analgesic increase. The primary outcome was the response rate within three months of the treatment. We used multivariable logistic regression to find the independent prognostic factors for the response based on the following covariates: age, sex, PS, body mass index, NRS, history of radiotherapy, treated site, radiographic features (lytic/sclerotic/mixed), metastatic complication, presence/dose of opioids, bone-modifying agents, radiation dose, type of primary tumor, radiosensitivity, number of metastases, and days from diagnosis to treatment. A classification model was created using significant factors, and response rates were calculated for each class. Statistical significance was defined as P<0.05. RESULTS Among 488 targets of 300 patients registered, 366 targets of 261 patients met the criteria. The median age was 65 years, 44% were female, and PS (0/1/2/3/4) was 6/63/18/9/4%. The major type of tumor was gastrointestinal (32%), lung (19%), and breast (12%). Bone metastases were 75% at treated sites. Opioids were used by 72%, BMA was 27%, and chemotherapy was 50%. Re-irradiation rate was 22%. With a median follow-up of 5.8 months, 113 patients were alive, 129 had died, and 20 were lost follow-up. The average NRS was reduced from 6.1 to 3.1 from pretreatment to 3 months later per evaluable 232 targets, resulting in a pain relief rate of 60%. Opioids use (P<0.001) and re-irradiation (P<0.001) were significant factors of poor response in multivariate analysis. In our classification model, 89 targets were classified as class 1 (no opioids & no irradiation history), 211 were class 2 (other than class 1 and 3), and 66 were class 3 (opioids & re-irradiation), were 75/61/36% (P<0.001) of response rate. The 6-month cumulative pain progression rate was 12/22/32% (P<0.001), respectively. CONCLUSION Palliative radiotherapy is highly effective for patients with painful tumors especially for those without previous irradiation history or use of opioids.
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Affiliation(s)
- Y Koide
- Aichi Cancer Center Hospital, Nagoya, Japan
| | - N Nagai
- Aichi Cancer Center Hospital, Nagoya, Japan
| | - R Miyauchi
- Aichi Cancer Center Hospital, Nagoya, Japan
| | | | - T Kitagawa
- Aichi Cancer Center Hospital, Nagoya, Japan
| | - T Aoyama
- Aichi Cancer Center Hospital, Nagoya, Japan
| | - H Shimizu
- Aichi Cancer Center Hospital, Nagoya, Japan
| | | | | | - T Kodaira
- Aichi Cancer Center Hospital, Nagoya, Japan
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Motegi K, Motegi A, Kano K, Yamashita N, Hirotaki K, Oyoshi H, Ariji T, Tachibana H, Akimoto T. Feasibility Study of Robust Treatment Planning in VMAT for Head and Neck Cancer. Int J Radiat Oncol Biol Phys 2023; 117:e699. [PMID: 37786049 DOI: 10.1016/j.ijrobp.2023.06.2183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) In general, patient positional uncertainty is considered by adding a geometrically expanded margin to clinical target volume (CTV) in photon radiation therapy. However, this method may not be suitable because image-guided radiotherapy is available. In intensity modulated proton beam therapy, robust treatment planning is currently common to take patient positional uncertainty into account in optimization rather than in margins. The purpose of this study is to assess the feasibility of clinical implementation of the method in volumetric modulated arc therapy (VMAT) for head and neck cancer. We quantitatively evaluated whether the plans with the robust optimization (Robust plans) can adequately cover CTV against patients' positional uncertainties and body shape change throughout a treatment course. MATERIALS/METHODS Ten head and neck cancer patients were chosen, who were treated with PTV-based VMAT plans in our hospital between 2021.5-2022.4. RayStation V10A (RaySearch Laboratories, Stockholm, Sweden) was used for the robust optimization, which was applied to the CTVs with patient positional uncertainty of 5 mm in the 6-axis direction. Dose prescribed to the high- and low-risk CTVs were to 70 and 56 Gy in 35 fractions, respectively. To create the patients' CT images with residual set-up errors and body shape change at the treatment, pseudo simulation-CT images were created by deformable image registration with CBCT and simulation-CT. Dose distribution at the treatment was re-calculated by applying the plan to the pseudo simulation-CT images. The variation of D98 for the high-risk CTV from the time of treatment planning was evaluated on a weekly basis. For comparison, planning target volume (PTV) -based plans (5 mm margin circumference) were created and a similar evaluation was performed. RESULTS D98 for the high-risk CTV varied between -3∼2% in the robust plan and between -5∼1% in the PTV-based plan during the treatment course. There was no significant difference in the amount of D98 variation between the two plans by t-test, except for one case with hypopharyngeal cancer. In this case, D98 for the high-risk CTV varied within ±1% with the PTV-based plan, whereas the value decreased up to 3% with the robust plan (p < 0.05). This case often had a residual setup error of approximately 5 mm at the sites related to the pitch rotation of head, suggesting that the dose distribution for the robust plan was affected by non-rigid positional errors. Patient weight loss during the treatment period was -3.5±2.4 kg, showing a weak correlation (r = -0.33) with the variation in D98 for the high-risk CTV. CONCLUSION The robust treatment planning exhibits comparable CTV coverage to the conventional PTV-based planning against positional uncertainty and body shape change throughout a treatment period. In order to overcome set-up baseline shift by the non-rigid positional errors, re-planning should be recommended. Further planning studies will be conducted to promote clinical implementation of the method.
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Affiliation(s)
- K Motegi
- Section of Radiation Safety and Quality Assurance, National Cancer Center Hospital East, Kashiwa, Japan
| | - A Motegi
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan
| | - K Kano
- Department of Radiology, National Cancer Center Hospital East, Kashiwa, Japan
| | - N Yamashita
- Department of Radiology, National Cancer Center Hospital East, Kashiwa, Japan
| | - K Hirotaki
- Department of Radiology, National Cancer Center Hospital East, Kashiwa, Japan
| | - H Oyoshi
- Department of Radiology, National Cancer Center Hospital East, Kashiwa, Japan
| | - T Ariji
- Department of Radiology, National Cancer Center Hospital East, Kashiwa, Japan
| | - H Tachibana
- Section of Radiation Safety and Quality Assurance, National Cancer Center Hospital East, Kashiwa, Japan
| | - T Akimoto
- Department of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan
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Koide Y, Shimizu H, Aoyama T, Kitagawa T, Miyauchi R, Watanabe Y, Tachibana H, Kodaira T. Preoperative Spirometry and BMI are Early Predictive Factors of the Cardiac and Lung Dose in Deep Inspiration Breath-Hold Radiotherapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kitagawa T, Shimizu H, Aoyama T, Koide Y, Iwata T, Miyauchi R, Tachibana H, Kodaira T. Benefits for Head and Neck Positioning Using a Surface Image Guidance System. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.2202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Koide Y, Aoyama T, Shimizu H, Kitagawa T, Miyauchi R, Tachibana H, Kodaira T. Development of Deep Learning Chest X-Ray Model for Cardiac Dose Prediction in Left-Sided Breast Cancer Radiotherapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Bando H, Kumagai S, Kotani D, Saori M, Habu T, Tsushima T, Hara H, Kadowaki S, Kato K, Chin K, Yamaguchi K, Kageyama SI, Hojo H, Nakamura M, Tachibana H, Wakabayashi M, Fukutani M, Fuse N, Nishikawa H, Kojima T. 1211P A multicenter phase II study of atezolizumab monotherapy following definitive chemoradiotherapy for unresectable locally advanced esophageal squamous cell carcinoma (EPOC1802). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Koide Y, Shimizu H, Miyauchi R, Haimoto S, Tanaka H, Watanabe Y, Adachi S, Kato D, Aoyama T, Kitagawa T, Tachibana H, Kodaira T. PO-1681 Fully automated rigid image registration versus human registration in postoperative spine SBRT. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03645-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Senda M, Ishii K, Ito K, Ikeuchi T, Matsuda H, Iwatsubo T, Iwata A, Ihara R, Suzuki K, Kasuga K, Ikari Y, Niimi Y, Arai H, Tamaoka A, Arahata Y, Itoh Y, Tachibana H, Ichimiya Y, Washizuka S, Odawara T, Ishii K, Ono K, Yokota T, Nakanishi A, Matsubara E, Mori H, Shimada H. A Japanese Multicenter Study on PET and Other Biomarkers for Subjects with Potential Preclinical and Prodromal Alzheimer's Disease. J Prev Alzheimers Dis 2021; 8:495-502. [PMID: 34585225 DOI: 10.14283/jpad.2021.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND PET (positron emission tomography) and CSF (cerebrospinal fluid) provide the "ATN" (Amyloid, Tau, Neurodegeneration) classification and play an essential role in early and differential diagnosis of Alzheimer's disease (AD). OBJECTIVE Biomarkers were evaluated in a Japanese multicenter study on cognitively unimpaired subjects (CU) and early (E) and late (L) mild cognitive impairment (MCI) patients. MEASUREMENTS A total of 38 (26 CU, 7 EMCI, 5 LMCI) subjects with the age of 65-84 were enrolled. Amyloid-PET and FDG-PET as well as structural MRI were acquired on all of them, with an additional tau-PET with 18F-flortaucipir on 15 and CSF measurement of Aβ1-42, P-tau, and T-tau on 18 subjects. Positivity of amyloid and tau was determined based on the positive result of either PET or CSF. RESULTS The amyloid positivity was 13/38, with discordance between PET and CSF in 6/18. Cortical tau deposition quantified with PET was significantly correlated with CSF P-tau, in spite of discordance in the binary positivity between visual PET interpretation and CSF P-tau in 5/8 (PET-/CSF+). Tau was positive in 7/9 amyloid positive and 8/16 amyloid negative subjects who underwent tau measurement, respectively. Overall, a large number of subjects presented quantitative measures and/or visual read that are close to the borderline of binary positivity, which caused, at least partly, the discordance between PET and CSF in amyloid and/or tau. Nine subjects presented either tau or FDG-PET positive while amyloid was negative, suggesting the possibility of non-AD disorders. CONCLUSION Positivity rate of amyloid and tau, together with their relationship, was consistent with previous reports. Multicenter study on subjects with very mild or no cognitive impairment may need refining the positivity criteria and cutoff level as well as strict quality control of the measurements.
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Affiliation(s)
- M Senda
- Michio Senda, Division of Molecular Imaging Research Kobe City Medical Center General Hospital (KCGH), 2-1-1 Minatojima-Minamimachi, Chuo-ku, Kobe 650-0047 Japan, E-mail: , Phone: 81-78-304-5212, Fax: 81-78-304-5201
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Shimizu H, Sasaki K, Aoyama T, Tachibana H, Koide Y, Iwata T, Kitagawa T, Kodaira T. PO-1958 Parotid gland dose reduction in the hippocampus avoidance whole-brain radiotherapy. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)08409-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Wakabayashi K, Koide Y, Miyauchi R, Tanaka H, Tachibana H, Kodaira T. Combined Clinical and Radiomic Features Model for Prediction of Pain Relief in Palliative Radiotherapy for Spine Metastases. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Tanaka H, Aoyama T, Shimizu H, Tachibana H, Koide Y, Miyauchi R, Wakabayashi K, Ooshima Y, Adachi S, Kozai Y, Kodaira T. A Multi-Center Contouring Study of Spinal Cord Comparing MRI and Myelo-CT Fusion. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Yokota T, Zenda S, Ota I, Yamazaki T, Yamaguchi T, Ogawa T, Tachibana H, Toshiyasu T, Homma A, Miyaji T, Mashiko T, Hamauchi S, Tominaga K, Ishii S, Otani Y, Orito N, Uchitomi Y. 931P Topical steroid versus placebo for the prevention of radiation dermatitis in head and neck cancer patients receiving chemoradiotherapy: A phase III, randomized, double-blinded trial: J-SUPPORT 1602(TOPICS). Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Koyama Y, Tachibana H, Nishikawa H, Tsuzaki K. C-arm fluoroscopic -guided subarachnoid block in a super morbidly obese patient. Indian J Anaesth 2020; 64:1075-1077. [PMID: 33542574 PMCID: PMC7852436 DOI: 10.4103/ija.ija_770_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/07/2020] [Accepted: 08/16/2020] [Indexed: 11/25/2022] Open
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Shimizu H, Sasaki K, Tanaka H, Aoyama T, Tachibana H, Koide Y, Kodaira T. Dosimetric Effect of Calculation Grid Size on Epidural Space in Spine Stereotactic Body Radiotherapy Using Volumetric Modulated Arc Therapy. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Tanaka H, Shimizu H, Aoyama T, Tachibana H, Koide Y, Katou D, Adachi S, Miyauchi R, Ooshima Y, Koidaira T. PO-1099 A multi-center contouring study of spinal cord comparing myelo-CT and MRI fusion. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31519-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Koide Y, Kitagawa T, Aoyama T, Shimizu H, Tanaka H, Tachibana H, Kodaira T. EP-1962 A simple and low-cost method of deep inspiration breath-hold irradiation for breast cancer. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)32382-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Koide Y, Kodaira T, Tachibana H, Tanaka H, Tomita N. PO-0737 Retrospective analysis of hypofractionated stereotactic radiotherapy for tumors larger than 2 cm. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)31157-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Makita C, Kodaira T, Tachibana H, Tomita N, Makoto I, Koide Y, Kato D, Koide Y, Fukuda Y, Nishikawa D, Suzuki H, Hanai N, Daimon T, Hasegawa Y. Comparison of Clinical Outcomes of Different Radiation Strategies in Postoperative Radiation Therapy for Patients with Head and Neck Squamous Cell Carcinoma: A Propensity-Score Matched Analysis. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Tachibana H, Ueda T, Sekiguchi K, Fumio K, Toda T. Diagnostic usefulness of disproportionately enlarged subarachnoid-space hydrocephalus (DESH) on MRI in idiopathic normal pressure hydrocephalus (INPH). J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Ramakrishnan V, Nabetani Y, Yamamoto D, Shimada T, Tachibana H, Inoue H. Trapping of excess energy in a nano-layered microenvironment to promote chemical reactions. Phys Chem Chem Phys 2017; 19:4734-4740. [PMID: 28128823 DOI: 10.1039/c6cp08414a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nano-layered hybrid compounds composed of a polyfluoroalkyl azobenzene surfactant (abbreviated as C3F-Azo-C6H) and layered inorganic nanosheets undergo three-dimensional morphological changes such as reversible shrinkage and expansion of interlayer spaces, and nanosheet sliding by photo-irradiation. Previously, we have investigated the photoreactivity of C3F-Azo-C6H/clay nano-layered hybrids in various microenvironments and found a remarkable enhancement in the photoreactivity for the cis-trans photo-isomerization reaction (Φcis-trans = 1.9). In this paper, nanosecond and microsecond dynamics of trans-C3F-Azo-C6H and its assembly in various microenvironments have been studied by laser flash photolysis to get deeper insight into the extraordinary reactivity of the molecular assembly in the nano-layered microenvironment. In solution, the molecular trans-C3F-Azo-C6H exhibited only a depletion of the trans-form of azobenzene upon the laser pulse excitation. On the other hand, in the case of the C3F-Azo-C6H/clay hybrid film, the depletion of the trans-form was drastically recovered in three steps on nano- and microsecond timescales. This indicates that the once reacted C3F-Azo-C6H molecule (cis-C3F-Azo-C6H) was reverted back to the trans-form after the laser pulse. It is considered that the excess energy provided by the photo-excitation, which is immediately dissipated to the surrounding media through the intermolecular vibrational modes in solution, is trapped in the nano-layered microenvironment to thermally revert the cis-form back to the trans-form. Conversely, in the case of cis-trans isomerization of the C3F-Azo-C6H/clay hybrid film upon photo-irradiation, the reactivity would be much enhanced by the additional contribution of the thermal excess energy efficiently trapped in the nano-layered microenvironment. As compared with the hydrocarbon analogue (C3H-Azo-C6H), the subsequent recovery was very much enhanced in the C3F-Azo-C6H/clay film. The polyfluoroalkyl part of the surfactant layer plays a key role in the retarded dissipation of the excess energy by photo-excitation, which might be coupled with the three-dimensional morphological motion with efficient isomerization reactions.
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Affiliation(s)
- V Ramakrishnan
- Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan.
| | - Y Nabetani
- Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan. and Center for Artificial Photosynthesis, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan
| | - D Yamamoto
- Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan. and Center for Artificial Photosynthesis, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan
| | - T Shimada
- Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan. and Center for Artificial Photosynthesis, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan
| | - H Tachibana
- Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan. and Center for Artificial Photosynthesis, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan
| | - H Inoue
- Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan. and Center for Artificial Photosynthesis, Tokyo Metropolitan University, 1-1, Minami-osawa, Hachioji, Tokyo 192-0397, Japan
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Kumazoe M, Takai M, Bae J, Hiroi S, Huang Y, Takamatsu K, Won Y, Yamashita M, Hidaka S, Yamashita S, Yamada S, Murata M, Tsukamoto S, Tachibana H. FOXO3 is essential for CD44 expression in pancreatic cancer cells. Oncogene 2016; 36:2643-2654. [PMID: 27893718 DOI: 10.1038/onc.2016.426] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 08/27/2016] [Accepted: 10/19/2016] [Indexed: 02/06/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most fatal types of cancer and the 5-year survival rate is only 5%. Several studies have suggested that cancer stem cells (CSCs) are thought to be involved in recurrence and metastasis and so it is essential to establish an approach targeting CSCs. Here we have demonstrated that cyclic guanosine monophosphate (cGMP) suppressed CD44 expression and the properties of CSCs in PDAC. Microarray analysis suggested that cGMP inhibited Forkhead box O3 (FOXO3), which is known as a tumor suppressor. Surprisingly, our data demonstrated that FOXO3 is essential for CD44 expression and the properties of CSCs. Our data also indicated that patients with high FOXO3 activation signatures had poor prognoses. This evidence suggested that cGMP induction and FOXO3 inhibition could be ideal candidates for pancreatic CSC.
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Affiliation(s)
- M Kumazoe
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - M Takai
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - J Bae
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Hiroi
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - Y Huang
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - K Takamatsu
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - Y Won
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - M Yamashita
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Hidaka
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Yamashita
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Yamada
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - M Murata
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Tsukamoto
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - H Tachibana
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
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Ito M, Koide Y, Yoshida M, Kimura K, Makita C, Tomita N, Tachibana H, Kodaira T, Tajika M, Niwa Y, Abe T, Hasegawa Y, Muro K. Clinical Results of Definitive Chemoradiation Therapy for Cervical Esophageal Cancer: Comparison of Failure Pattern and Toxicities Between Intensity Modulated Radiation Therapy and 3-Dimensional Chemoradiation Therapy Group. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.957] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Nakamura N, Hotta K, Zenda S, Tachibana H, Onozawa M, Arahira S, Toshima M, Motegi A, Hojo H, Hirano Y, Kibe Y, Akimoto T. Radiological Changes After Proton Beam Therapy for Early-Stage Lung Cancer. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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24
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Sakashita T, Homma A, Onimaru R, Matsuura K, Shinomiya H, Hayashi R, Shiga K, Tachibana H, Nakamura K, Mizusawa J, Fujii M. A multi-institutional dose-finding and efficacy confirmation trial of superselective intra-arterial infusion of cisplatin and concomitant radiotherapy for patients with locally advanced maxillary sinus cancer (JCOG1212, RADPLAT-MSC): Results of dose-finding phase. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw376.64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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25
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Kumagai S, Ishida T, Tachibana H, Ito A, Ito Y, Hashimoto T. Polybacterial aetiology and outcomes in patients with community-acquired pneumonia. Int J Tuberc Lung Dis 2016; 20:129-35. [PMID: 26688539 DOI: 10.5588/ijtld.15.0353] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING Community-acquired pneumonia (CAP) is a common cause of morbidity and mortality worldwide. While interactions among bacterial pathogens in the respiratory tract have been studied, the impact of polybacterial aetiology on mortality has not been fully elucidated. OBJECTIVE To investigate the impact of polybacterial aetiology on mortality, prevalence, microbial patterns and clinical characteristics among CAP patients. DESIGN Retrospective data analysis. RESULTS Bacterial aetiology was established in 711 (46.0%) of 1544 enrolled hospitalised CAP patients. Of these, polybacterial aetiology was identified in 89 (12.5%): Streptococcus pneumoniae was the most frequently identified pathogen (n = 55, 61.8%). The most prevalent microbial combination was S. pneumoniae and Haemophilus influenzae (n = 19, 21.3%). Alcoholism and lack of previous antibiotic therapy were independent predictors of polybacterial aetiology. The proportion of patients with severe pneumonia was significantly higher in the polybacterial aetiology group than in the monobacterial group. Multivariate analysis showed that polybacterial aetiology was a predictor of 30-day mortality (OR 2.14, 95%CI 1.07-4.24, P = 0.030), independently of severe pneumonia status, pneumonia severity index, chronic obstructive pulmonary disease and inappropriate empirical therapy. CONCLUSION Polybacterial CAP tends to advance in severity, and indicates adverse outcomes.
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Affiliation(s)
- S Kumagai
- Department of Respiratory Medicine, Ohara Memorial Kurashiki Healthcare Foundation, Kurashiki Central Hospital, Kurashiki, Japan
| | - T Ishida
- Department of Respiratory Medicine, Ohara Memorial Kurashiki Healthcare Foundation, Kurashiki Central Hospital, Kurashiki, Japan
| | - H Tachibana
- Department of Respiratory Medicine, Ohara Memorial Kurashiki Healthcare Foundation, Kurashiki Central Hospital, Kurashiki, Japan
| | - A Ito
- Department of Respiratory Medicine, Ohara Memorial Kurashiki Healthcare Foundation, Kurashiki Central Hospital, Kurashiki, Japan
| | - Y Ito
- Department of Respiratory Medicine, Ohara Memorial Kurashiki Healthcare Foundation, Kurashiki Central Hospital, Kurashiki, Japan
| | - T Hashimoto
- Department of Respiratory Medicine, Ohara Memorial Kurashiki Healthcare Foundation, Kurashiki Central Hospital, Kurashiki, Japan
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26
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Itoigawa N, Minami T, Kondo-Ikemura K, Tachibana H, Kanazawa T, Shimizu S, Kamada J, Tanabe H. Parenting and Family Support in Japan for 6- to 8-year-old Children Weighing under 1000 Grams at Birth. International Journal of Behavioral Development 2016. [DOI: 10.1177/016502549601900302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The purpose of this study was to explore the variables related to paternal involvement in the caregiving of 6- to 8-year-old extremely low-birthweight (ELBW) children, specifically, sociodemographic factors related to the family or individual biological factors related to ELBW. Thirty-three children with a mean birthweight of 845.5 grams and a mean gestational age of 27.4 weeks participated in this research. Approximately 29% of their fathers were classified by the mothers as nonco-operative in overall child care. The paternal involvement in caregiving was related to the sociodemographic variables of the family; the co-operative fathers were proportionally more often from families where the child had no older female sibling(s) and/or grandparent(s), whereas the nonco-operative fathers were proportionally more often from families where the child had older female sibling(s) and/or grandparent(s). The individual perinatal risk variables and IQ, and the paternal variables (age, socioeconomic status) were not related to the paternal co-operativeness. Our sample mothers seemed to have raised their children in more difficult parenting and economic situations, and to have received proportionally more support from grandparent(s) than did typical Japanese mothers. The children's relationships with peers differed between the paternal co-operative and nonco-operative groups; there were proportionally more children from the nonco-operative group who preferred to play alone than to play with peer(s) at the ages of 3-5 years. Thus, scarce paternal involvement in the process of caregiving appeared to influence the children's sociability.
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Affiliation(s)
| | | | | | | | - T. Kanazawa
- Osaka University and Wakayama University, Japan
| | - S. Shimizu
- College of Nursing, Fukui Prefectural University, Japan
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27
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Nagata H, Hongo H, Kawai D, Takahashi R, Hashimoto H, Tachibana H. SU-F-T-267: A Clarkson-Based Independent Dose Verification for the Helical Tomotherapy. Med Phys 2016. [DOI: 10.1118/1.4956407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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28
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Takahashi R, Kamima T, Tachibana H. SU-F-T-288: Impact of Trajectory Log Files for Clarkson-Based Independent Dose Verification of IMRT and VMAT. Med Phys 2016. [DOI: 10.1118/1.4956428] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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29
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Yamashita M, Takahashi R, Kokubo M, Takayama K, Tanabe H, Sueoka M, Ishii M, Okuuchi N, Iwamoto Y, Tachibana H. SU-F-T-268: A Feasibility Study of Independent Dose Verification for Vero4DRT. Med Phys 2016. [DOI: 10.1118/1.4956408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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30
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Uchida Y, Tachibana H. SU-F-T-396: Impact of Shoulder Deformation for Head and Neck VMAT. Med Phys 2016. [DOI: 10.1118/1.4956581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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31
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Sato A, Noda T, Keduka Y, Kawajiri T, Itano M, Yamazaki T, Tachibana H. TH-AB-201-01: A Feasibility Study of Independent Dose Verification for CyberKnife. Med Phys 2016. [DOI: 10.1118/1.4958029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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32
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Itano M, Tachibana R, Yamashita M, Shimizu H, Sugawara Y, Kotabe K, Kamima T, Takahashi R, Ishibashi S, Uchida Y, Yamazaki T, Tachibana H. SU-F-T-494: A Multi-Institutional Study of Independent Dose Verification Using Golden Beam Data. Med Phys 2016. [DOI: 10.1118/1.4956679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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33
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Takahashi Y, Tachibana H, Nakamura N. SU-F-T-383: Robustness for Patient Setup Error in Total Body Irradiation Using Volumetric Modulated Arc Therapy (VMAT). Med Phys 2016. [DOI: 10.1118/1.4956568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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34
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Uehara R, Tachibana H. SU-F-T-449: Dosimetric Comparison of Acuros XB, Adaptive Convolve in Intensity Modulated Radiotherapy for Head and Neck Cancer. Med Phys 2016. [DOI: 10.1118/1.4956634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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35
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Kurosawa T, Tachibana H, Moriya S, Miyakawa S, Sato M. SU-F-T-479: Estimation of the Accuracy in Respiratory-Gated Radiotherapy. Med Phys 2016. [DOI: 10.1118/1.4956664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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36
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Moriya S, Tachibana H, Hotta K, Nakamura N, Baba H, Kohno R, Miyakawa S, Kurosawa T, Akimoto T. SU-F-J-57: Effectiveness of Daily CT-Based Three-Dimensional Image Guided and Adaptive Proton Therapy. Med Phys 2016. [DOI: 10.1118/1.4955965] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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37
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Miyakawa S, Tachibana H, Moriya S, Kurosawa T, Sato M. SU-C-202-06: Design and Development of a Non-Rigid Phantom Ventilating Air Quantitatively Evaluating CT-Based Pulmonary Ventilation Imaging. Med Phys 2016. [DOI: 10.1118/1.4955574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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38
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Kawai D, Takahashi R, Kamima T, Baba H, Yamamoto T, Kubo Y, Ishibashi S, Higuchi Y, Tani K, Tachibana H. SU-F-T-609: Impact of Dosimetric Variation for Prescription Dose Using Analytical Anisotropic Algorithm (AAA) in Lung SBRT. Med Phys 2016. [DOI: 10.1118/1.4956794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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39
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Kageyama T, Yano T, Kuwano S, Sueoka S, Tachibana H. Exposure-response relationship of wind turbine noise with self-reported symptoms of sleep and health problems: A nationwide socioacoustic survey in Japan. Noise Health 2016; 18:53-61. [PMID: 26960782 PMCID: PMC4918684 DOI: 10.4103/1463-1741.178478] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The association of wind turbine noise (WTN) with sleep and physical/mental health has not been fully investigated. To investigate the relationship of WTN with the prevalence of self-reported symptoms of sleep and health problems, a socioacoustic survey of 1079 adult residents was conducted throughout Japan (2010-2012): 747 in 34 areas surrounding wind turbine plants and 332 in 16 control areas. During face-to-face interviews, the respondents were not informed of the purpose of the survey. Questions on symptoms such as sleeplessness and physical/mental complaints were asked without specifying reasons. Insomnia was defined as having one or any combination of the following that occurs three or more times a week and bothers a respondent: Difficulty initiating sleep, difficulty maintaining sleep, premature morning awakening, and feeling of light overnight sleep. Poor health was defined as having high scores for health complaints, as determined using the Total Health Index, exceeding the criteria proposed by the authors of the index. The noise descriptor for WTN was LAeq,n outdoor, estimated from the results of actual measurement at some locations in each site. Multiple logistic analysis was applied to the LAeq,n and insomnia or poor health. The odds ratio (OR) of insomnia was significantly higher when the noise exposure level exceeded 40 dB, whereas the self-reported sensitivity to noise and visual annoyance with wind turbines were also independently associated with insomnia. OR of poor health was not significant for noise exposure, but significant for noise sensitivity and visual annoyance. The above two moderators appear to indicate the features of respondents who are sensitive to stimuli or changes in their homeostasis.
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Affiliation(s)
- Takayuki Kageyama
- Department of Mental Health and Psychiatric Nursing, Faculty of Nursing, Oita University of Nursing and Health Sciences, Oita, Japan
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40
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Tachibana H, Kougo T, Kodaira T, Tomita N, Makita C, Shimizu A, Takehana K, Kimura K, Yoshida M, Koide Y, Miyamoto D, Shigetomi T. Prevention of Oral Radiation Mucositis Using a Specialized Amino Acid Mixture. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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41
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Akasaka K, Maeno A, Murayama T, Tachibana H, Fujita Y, Yamanaka H, Nishida N, Atarashi R. Pressure-assisted dissociation and degradation of "proteinase K-resistant" fibrils prepared by seeding with scrapie-infected hamster prion protein. Prion 2015; 8:314-8. [PMID: 25482603 DOI: 10.4161/pri.32081] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The crucial step for the fatal neurodegenerative prion diseases involves the conversion of a normal cellular protein, PrP(C), into a fibrous pathogenic form, PrP(Sc), which has an unusual stability against heat and resistance against proteinase K digestion. A successful challenge to reverse the reaction from PrP(Sc) into PrP(C) is considered valuable, as it would give a key to dissolving the complex molecular events into thermodynamic and kinetic analyses and may also provide a means to prevent the formation of PrP(Sc) from PrP(C) eventually in vivo. Here we show that, by applying pressures at kbar range, the "proteinase K-resistant" fibrils (rHaPrP(res)) prepared from hamster prion protein (rHaPrP [23-231]) by seeding with brain homogenate of scrapie-infected hamster, becomes easily digestible. The result is consistent with the notion that rHaPrP(res) fibrils are dissociated into rHaPrP monomers under pressure and that the formation of PrP(Sc) from PrP(C) is thermodynamically controlled. Moreover, the efficient degradation of prion fibrils under pressure provides a novel means of eliminating infectious PrP(Sc) from various systems of pathogenic concern.
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Affiliation(s)
- Kazuyuki Akasaka
- a Graduate School of Biology-Oriented Science and Technology ; Kinki University ; Kinokawa , Japan
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42
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Baba H, Kamima T, Takahashi R, Kawai D, Sugawara Y, Yamamoto T, Sato A, Yamashita M, Tachibana H. SU-E-T-49: A Multi-Institutional Study of Independent Dose Verification for IMRT. Med Phys 2015. [DOI: 10.1118/1.4924410] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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43
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Takahashi R, Tachibana H, Kamima T, Itano M, Yamazaki T, Ishibashi S, Higuchi Y, Shimizu H, Yamamoto T, Yamashita M, Baba H, Sugawara Y, Sato A, Nishiyama S, Kawai D, Miyaoka S. SU-E-T-48: A Multi-Institutional Study of Independent Dose Verification for Conventional, SRS and SBRT. Med Phys 2015. [DOI: 10.1118/1.4924409] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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44
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Kamima T, Takahashi R, Baba H, Yamashita M, Sugawara Y, Sato Y, Tachibana H. SU-E-T-32: A Feasibility Study of Independent Dose Verification for IMAT. Med Phys 2015. [DOI: 10.1118/1.4924393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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45
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Kumagai S, Ishida T, Tachibana H, Ito Y, Ito A, Hashimoto T. Impact of bacterial coinfection on clinical outcomes in pneumococcal pneumonia. Eur J Clin Microbiol Infect Dis 2015; 34:1839-47. [PMID: 26059041 DOI: 10.1007/s10096-015-2421-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Accepted: 05/02/2015] [Indexed: 11/30/2022]
Abstract
The aim of this study was to investigate the influence of bacterial coinfection on patients with pneumococcal pneumonia. We retrospectively analyzed the incidence, clinical features, microbial distributions, and outcomes of patients with bacterial coinfection in a cohort of 433 hospitalized patients with pneumococcal pneumonia. Eighty-five patients (19.6 %) were diagnosed with bacterial coinfection; the most frequent pathogens were Haemophilus influenzae (25 patients, 33.3 %), methicillin-susceptible Staphylococcus aureus (MSSA) (15 patients, 20.0 %), and Moraxella catarrhalis (13 patients, 17.3 %). The CURB-65 score and pneumonia severity index (PSI) were significantly higher in patients with bacterial coinfection (both P < 0.001). In addition, the proportion of patients with bacterial coinfection who met the Infectious Disease Society of America (IDSA)/American Thoracic Society (ATS) severe pneumonia criteria was significantly higher (P < 0.001). Multivariate logistic regression analysis identified three risk factors for bacterial coinfection in patients with pneumococcal pneumonia: alcoholism (odds ratio [OR], 5.12; 95 % confidence interval (95 % CI), 1.60-16.4; P = 0.006), hospitalization for 2 days or more within 90 days preceding admission (OR, 2.02; 95 % CI, 1.03-3.98; P = 0.041), and residence in a nursing home or extended care facility (OR, 3.22; 95 % CI, 1.48-6.97; P = 0.003). Multivariate analysis for 30-day mortality showed that bacterial coinfection was a significant adverse prognostic factor (OR, 2.50; 95 % CI, 1.13-5.53; P = 0.023), independent of IDSA/ATS severe pneumonia, PSI, or healthcare-associated pneumonia. In conclusion, bacterial coinfection may have an adverse impact on severity and outcomes of pneumococcal pneumonia.
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Affiliation(s)
- S Kumagai
- Department of Respiratory Medicine, Kurashiki Central Hospital, 1-1-1 Miwa, Kurashiki, Okayama, 710-0052, Japan,
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46
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Kawai D, Takahashi R, Kamima T, Baba H, Yamamoto T, Kubo Y, Ishibashi S, Higuchi Y, Takahashi H, Tachibana H. SU-E-T-50: A Multi-Institutional Study of Independent Dose Verification Software Program for Lung SBRT. Med Phys 2015. [DOI: 10.1118/1.4924411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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47
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Kurosawa T, Tachibana H, Moriya S, Sato M. SU-E-J-86: Functional Conformal Planning for Stereotactic Body Radiation Therapy with CT-Pulmonary Ventilation Imaging. Med Phys 2015. [DOI: 10.1118/1.4924173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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48
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Tachibana H, Tachibana R. SU-E-T-762: Toward Volume-Based Independent Dose Verification as Secondary Check. Med Phys 2015. [DOI: 10.1118/1.4925126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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49
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Uehara R, Tachibana H, Ohyoshi H, Matsumoto S, Baba H, Tanaka F, Ariji T. SU-E-T-89: Accuracy of Absolute Three-Dimensional Dose Distribution Measurement Using the Delta4. Med Phys 2015. [DOI: 10.1118/1.4924450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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50
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Sugawara Y, Tachibana H, Kadoya N, Kitamura N, Jingu K. SU-E-J-107: The Impact of the Tumor Location to Deformable Image Registration. Med Phys 2015. [DOI: 10.1118/1.4924194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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