Relationship between cement distribution pattern and new compression fracture after percutaneous vertebroplasty.

Relationship between cement distribution pattern and new compression fracture after percutaneous vertebroplasty. Research Abstract Details 

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Relationship between cement distribution pattern and new compression fracture after percutaneous vertebroplasty. Abstract Text:

Noboru Tanigawa,Atsushi Komemushi,Shuji Kariya,Hiroyuki Kojima,Yuzo Shomura,Naoto Omura,Satoshi Sawada,Noboru Tanigawa,Atsushi Komemushi,Shuji Kariya,Hiroyuki Kojima,Yuzo Shomura,Naoto Omura,Satoshi Sawada,Noboru Tanigawa,Atsushi Komemushi,Shuji Kariya,Hiroyuki Kojima,Yuzo Shomura,Naoto Omura,Satoshi Sawada,

OBJECTIVE: The objective of this study was to prospectively investigate relationships between cement distribution patterns and the occurrence rates of new compression fractures after percutaneous vertebroplasty. SUBJECTS AND METHODS: Percutaneous vertebroplasty was performed for osteoporotic compression fractures in 76 consecutive patients. Patients were divided into two groups according to the cement filling pattern shown on radiography and CT: cleft pattern group (group C, n = 34), compact and solid cement filling pattern in vertebrae; and trabecular pattern group (group T, n = 42), sponge-like filling pattern. A visual analog scale (VAS) was used to assess pain severity, and anterior and lateral radiographs of the thoracic and lumbar vertebrae were obtained 1-3 days and 1, 4, 10, 22, and 34 months after percutaneous vertebroplasty. Differences in treatment efficacy and the occurrence rates of new compression fractures were examined and compared for both groups using the Mann-Whitney U test and chi-square test. RESULTS: A significant difference was seen between groups with respect to the volume of cement injected per vertebra (mean volume: group C, 4.5 mL; group T, 3.7 mL; p = 0.01). VAS improvement did not differ significantly between group C (4.6) and group T (4.5). The mean follow-up period was 19.5 months, during which new compression fractures were significantly more frequent in group C (17 of 34 [50%]) than in group T (11 of 42 [26.2%]; p = 0.03). CONCLUSION: Although cement distribution patterns do not significantly affect initial clinical response, a higher incidence of new compression fractures is seen in patients with treated vertebrae exhibiting a cleft pattern.

Relationship between cement distribution pattern and new compression fracture after percutaneous vertebroplasty. Publishing Authors By Initials

N Tanigawa,A Komemushi,S Kariya,H Kojima,Y Shomura,N Omura,S Sawada,N Tanigawa,A Komemushi,S Kariya,H Kojima,Y Shomura,N Omura,S Sawada,N Tanigawa,A Komemushi,S Kariya,H Kojima,Y Shomura,N Omura,S Sawada,

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Relationship between cement distribution pattern and new compression fracture after percutaneous vertebroplasty. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJR. American journal of roentgenology

VOLUME: 189

Page Numbers: W348-52

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ISSN: 1546-3141

DAY: 21

MONTH: Dec

YEAR: 2007

Relationship between cement distribution pattern and new compression fracture after percutaneous vertebroplasty. Information

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LANGUAGE: eng

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AFFILIATION: Department of Radiology, Kansai Medical University, Hirakata Hospital, 2-3-1 Shinmachi, Hirakata, Osaka 573-1191, Japan. tanigano@hirakata.kmu.ac.jp

Country: United States

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MEDLINETA: AJR Am J Roentgenol

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