scholarly journals Predictors of delayed failure of structural kyphoplasty for pathological compression fractures in cancer patients

2015 ◽  
Vol 23 (2) ◽  
pp. 228-232 ◽  
Author(s):  
Gary Rajah ◽  
David Altshuler ◽  
Omar Sadiq ◽  
V. Kwasi Nyame ◽  
Hazem Eltahawy ◽  
...  

OBJECT Pathological compression fractures in cancer patients cause significant pain and disability. Spinal metastases affect quality of life near the end of life and may require multiple procedures, including medical palliative care and open surgical decompression and fixation. An increasingly popular minimally invasive technique to treat metastatic instabilities is kyphoplasty. Even though it may alleviate pain due to pathological fractures, it may fail. However, delayed kyphoplasty failures with retropulsed cement and neural element compression have not been well reported. Such failures necessitate open surgical decompression and stabilization, and cement inserted during the kyphoplasty complicates salvage surgeries in patients with a disease-burdened spine. The authors sought to examine the incidence of delayed failure of structural kyphoplasty in a series of cement augmentations for pathological compression fractures. The goal was to identify risk predictors by analyzing patient and disease characteristics to reduce kyphoplasty failure and to prevent excessive surgical procedures at the end of life. METHODS The authors retrospectively reviewed the records of all patients with metastatic cancer from 2010 to 2013 who had undergone a procedure involving cement augmentation for a pathological compression fracture at their institution. The authors examined the characteristics of the patients, diseases, and radiographic fractures. RESULTS In total, 37 patients underwent cement augmentation in 75 spinal levels during 45 surgeries. Four patients had delayed structural kyphoplasty failure necessitating surgical decompression and fusion. The mean time to kyphoplasty failure was 2.88 ± 1.24 months. The mean loss of vertebral body height was 16% in the patients in whom kyphoplasty failed and 32% in patients in whom kyphoplasty did not fail. No posterior intraoperative cement extravasation was observed in the patients in whom kyphoplasty had failed. The mean spinal instability neoplastic score was 10.8 in the patients in whom kyphoplasty failed and 10.1 in those in whom kyphoplasty did not fail. Approximately 50% of the kyphoplasty failures occurred at junctional spinal levels. All the patients in whom kyphoplasty failed had fractures in 3 or more cortical walls before treatment, whereas 46% of patients in the nonfailure group had fractures with breaching of 3 or more walls. CONCLUSIONS Although rare, delayed failures of structural augmentation with cement during kyphoplasty do occur and can lead to additional surgeries. A possible predictive index may include wall integrity of the vertebral body, competency of the posterior tension band, and location of the kyphoplasty at a junctional spinal level. Additional studies are required to confirm these findings.

2010 ◽  
Vol 12 (5) ◽  
pp. 525-532 ◽  
Author(s):  
Kyeong Hwan Kim ◽  
Sang-Ho Lee ◽  
Dong Yeob Lee ◽  
Chan Shik Shim ◽  
Dae Hyeon Maeng

Object The purpose of the present study was to evaluate the efficacy of anterior polymethylmethacrylate (PMMA) cement augmentation in instrumented anterior lumbar interbody fusion (ALIF) for patients with osteoporosis. Methods Sixty-two patients with osteoporosis who had undergone single-level instrumented ALIF for spondylolisthesis and were followed for more than 2 years were included in the study. The patients were divided into 2 groups: instrumented ALIF alone (Group I) and instrumented ALIF with anterior PMMA augmentation (Group II). Sixty-one patients were interviewed to evaluate the clinical results, and plain radiographs and 3D CT scans were obtained at the last follow-up in 46 patients. Results The mean degree of cage subsidence was significantly higher in Group I (19.6%) than in Group II (5.2%) (p = 0.001). The mean decrease of vertebral body height at the index level was also significantly higher in Group I (10.7%) than in Group II (3.9%) (p = 0.001). No significant intergroup differences were observed in the incidence of radiographic adjacent-segment degeneration (ASD) or in terms of pain and functional improvement. The incidences of clinical ASD (23% in Group I and 10% in Group II) were not significantly different. There was 1 case of nonunion and 3 cases of screw migration in Group I, but none resulted in implant failure. Conclusions Anterior PMMA augmentation during instrumented ALIF in patients with osteoporosis was useful to prevent cage subsidence and vertebral body collapse. In addition, PMMA augmentation did not increase the nonunion rate and incidence of ASD.


2021 ◽  
Author(s):  
Shang-Yih Chan ◽  
Yun-Ju Lai ◽  
Yu-Yen Hsin Chen ◽  
Shuo-Ju Chiang ◽  
Yi-Fan Tsai ◽  
...  

Abstract Purpose Studies to examine the impact of end-of-life (EOL) discussions on the utilization of life-sustaining treatments near death were limited and had inconsistent findings. This nationwide population-based cohort study determined the impact of EOL discussions on the utilization of life-sustaining treatments in the last three months of life in Taiwanese cancer patients. Methods This cohort study included adult cancer patients from 2012–2018, which were confirmed by pathohistological reports. Life-sustaining treatments during the last three months of life included cardiopulmonary resuscitation, intubation, and defibrillation. EOL discussions in cancer patients were confirmed by their medical records. Association of EOL discussions with utilization of life-sustaining treatments were assessed using multiple logistic regression. Results Of 381,207 patients, the mean age was 70.5 years and 19.4% of the subjects utilized life-sustaining treatments during the last three months of life. After adjusting for other covariates, those who underwent EOL discussions were less likely to receive life-sustaining treatments during the last three months of life compared to those who did not (Adjusted odds ratio [AOR]: 0.82; 95% confidence interval [CI]: 0.80–0.84). Considering the type of treatments, EOL discussions correlated with a lower likelihood of receiving cardiopulmonary resuscitation (AOR = 0.43, 95% CI: 0.41–0.45), endotracheal intubation (AOR = 0.87, 95%CI: 0.85–0.89), and defibrillation (AOR = 0.52, 95%CI: 0.48–0.57). Conclusion EOL discussions correlated with a lower utilization of life-sustaining treatments during the last three months of life among cancer patients. Our study supports the importance of providing these discussions to cancer patients to better align care with preferences during the EOL treatment.


2021 ◽  
Vol 10 (4) ◽  
pp. 315-324
Author(s):  
Eleni Kokkotou ◽  
Garyfallia Stefanou ◽  
Nikolaos Syrigos ◽  
George Gourzoulidis ◽  
Eleutheria Ntalakou ◽  
...  

Objective: The aim of the present study was to estimate the cost of treating patients with lung cancer at their end-of-life (EOL) phase of care in Greece. Materials & methods: A hospital-based retrospective study was conducted in the Oncology Unit of ‘Sotiria’ Hospital, in Athens, Greece. All lung cancer patients who died between 1 January 2015 and 31 December 2018 with at least 6 months follow-up were enrolled in the study. Healthcare resource utilization data, including inpatient and outpatient ones, during the last 6 months before death was extracted from a registry kept in the unit. This data were combined with the corresponding local unit costs to calculate the 6, 3 and 1-month EOL cost in €2019 values. Results: A total of 122 patients met the inclusion criteria. The mean (standard deviation) age at diagnosis was 67.8 (8.9) years with 78.7% of patients being male and 55.0% diagnosed at stage IV. About 52.5% of patients had been diagnosed with adenocarcinoma, 28.7% with squamous non-small-cell lung cancer types and 18.9% with small-cell-lung cancer. The median overall survival of these patients was 10.8 months. During the EOL periods, the mean cost/patient in the last 6, 3 and 1 month were €7665, €3351 and €1009, respectively. Pharmaceutical cost was the key driver of the total cost (75% of the total 6-month) followed by radiation therapy (16.2%). The median EOL 6-month cost was marginally statistically significantly higher among patients with adenocarcinoma (€9031) compared with squamous (€6606) and to small-cell-lung cancer (€5474). Conclusion: The findings of the present study indicate that lung cancer treatment incurs high costs in Greece, mainly attributed to pharmaceutical expenses, even at the EOL phase.


2020 ◽  
Vol 3;23 (6;3) ◽  
pp. 315-323
Author(s):  
David Gimarc

Background: Vertebral cement augmentation is a commonly used procedure in patients with vertebral body compression fractures from primary or secondary osteoporosis, metastatic disease, or trauma. Many of these patients present with radiculopathy as a presenting symptom, and can experience symptomatic relief following the procedure. Objectives: To determine the incidence of preprocedural radiculopathy in patients with vertebral body compression fractures presenting for cement augmentation, and present their postoperative outcomes. Study Design: Retrospective cohort study. Setting: Interventional pain practice in a tertiary care university hospital. Methods: In this cohort study, all patients who underwent kyphoplasty (KP) or vertebroplasty (VP) procedures in a 7-year period within our practice were evaluated through a search of the electronic medical records. The primary endpoint was to evaluate the prevalence of noncompressive preprocedural radiculopathy in our patients. Evaluation of each patient’s relative improvement following the procedure, respective to the initial presence or absence of radicular symptoms (including and above T10, above and below T10, and below T10) was included as a secondary endpoint. Additional subanalysis was performed with respect to patients demographics, fracture location, and primary indication for the procedure (osteoporosis, trauma, etc.). Results: A total of 302 procedures were performed during this time period, encompassing 544 total vertebral body levels. After exclusion criteria were applied to this cohort, 31.6% of patients demonstrated radiculopathy prior to the procedure that could not be explained by nerve impingement. Nearly half of patients demonstrated an optimal clinical outcome (48.5% nearly complete/complete resolution of symptoms, 40.1% partial resolution of symptoms, 11.4% little to no resolution of symptoms). Patients with fractures above T10 were more likely to see complete resolution, whereas patients with fractures above and below T10 were likely to not see any resolution. Men and women without initial radiculopathy symptoms were more likely to see little to no resolution, regardless of fracture location. Limitations: This retrospective study used an electronic chart review of clinicians’ notes to determine the presence of radiculopathy and their relative improvement following the procedure. Conclusions: Preprocedural radiculopathy is a common symptom of patients presenting for the evaluation of VP or KP. The presence of radiculopathy in the absence of nerve impingement may be an important marker for those patients who may experience greater benefit from the procedure. Key words: Radiculopathy, kyphoplasty, vertebroplasty, osteoporosis, compression fracture, spine, cement augmentation


2009 ◽  
Vol 27 (6) ◽  
pp. E9 ◽  
Author(s):  
Peter C. Gerszten ◽  
Edward A. Monaco

Object Patients with symptomatic pathological compression fractures require spinal stabilization surgery for mechanical back pain control and radiation therapy for the underlying malignant process. Spinal radiosurgery provides excellent long-term radiographic control for vertebral metastases. Percutaneous cement augmentation using polymethylmethacrylate (PMMA) may be contraindicated in lesions with spinal canal compromise due to the risk of displacement of tumor resulting in spinal cord or cauda equina injury. However, there is also significant morbidity associated with open corpectomy procedures in patients with metastatic cancer, especially in those who subsequently require adjuvant radiotherapy. This study evaluated a treatment paradigm for malignant vertebral compression fractures consisting of transpedicular coblation corpectomy combined with closed fracture reduction and fixation, followed by spinal radiosurgery. Methods Eleven patients (6 men and 5 women, mean age 58 years) with symptomatic vertebral body metastatic tumors associated with moderate spinal canal compromise were included in this study (8 thoracic levels, 3 lumbar levels). Primary histologies included 4 lung, 2 breast, 2 renal, and 1 each of thyroid, bladder, and hepatocellular carcinomas. All patients underwent percutaneous transpedicular coblation corpectomy immediately followed by balloon kyphoplasty through the same 8-gauge cannula under fluoroscopic guidance. Patients subsequently underwent radiosurgery to the affected vertebral body (mean time to treatment 14 days). Postoperatively, patients were assessed for pain reduction and neurological morbidity. Results There were no complications associated with any part of the procedure. Adequate cement augmentation within the vertebral body was achieved in all cases. The mean radiosurgical tumor dose was 19 Gy covering the entire vertebral body. The procedure provided long-term pain improvement and radiographic tumor control in all patients (follow-up range 7–44 months). No patient later required open surgery. No radiation-induced toxicity or new neurological deficit occurred during the follow-up period. Conclusions This treatment paradigm for pathological fractures of percutaneous transpedicular corpectomy combined with cement augmentation followed by radiosurgery was found to be safe and clinically effective. This technique combines minimally invasive procedures that avoid the morbidity associated with open surgery while providing spinal canal decompression and immediate fracture stabilization, and then administering a single-fraction tumoricidal radiation dose.


2021 ◽  
pp. E221-E230

BACKGROUND: Vertebroplasty and kyphoplasty are leading treatments for patients with vertebral body compression fractures. Although cement augmentation has been shown to help relieve pain and instability from fractures containing a cleft, there is some controversy in the literature regarding the procedure’s efficacy in these cases. Additionally, some of the literature blurs the distinction between clefts and cement patterns (including cement nonunion and cement fill pattern). Both clefts and cement patterns have been mentioned in the literature as risks for poorer outcomes following cement augmentation, which can result in complications such as cement migration. OBJECTIVES: This study aims to identify the prevalence of fracture clefts and cement nonunion, the relationship between them as well as to cement fill pattern, and their association with demographics and other variables related to technique and outcomes. STUDY DESIGN: Retrospective cohort study. SETTING: Interventional radiology department at a single site university hospital. METHODS: This retrospective cohort study assessed 295 vertebroplasties/kyphoplasties performed at the University of Colorado Hospital from 2008 to 2018. Vertebral fracture cleft and cement nonunion were the main variables of interest. Presence and characterization of a fracture cleft was determined on pre-procedural imaging, defined as an air or fluid filled cavity within the fractured vertebral body on magnetic resonance or computed tomography. Cement nonunion was evaluated on post-procedural imaging, defined as air or fluid surrounding the cement bolus on magnetic resonance or computed tomography or imaging evidence of cement migration. Cement fill pattern was assessed on procedural and/or post-procedural imaging. Pain improvement scores were based on a visual analog score immediately prior to the procedure and during clinical visits in the short-term follow-up period. Additional patient demographics, medical history, and procedure details were obtained from electronic medical chart review. RESULTS: Pre-procedural vertebral fracture clefts were demonstrated in 29.8% of our cases. Increasing age, secondary osteoporosis, and thoracolumbar junction location were associated with increased odds of clefts. There was no significant difference in pain improvement outcomes in patients following cement augmentation between clefted and non-clefted compression fractures. Clefts, especially large clefts, and cleft-only fill pattern were associated with increased odds of cement nonunion. Procedure techniques (vertebroplasty, curette, and balloon kyphoplasty) demonstrated similar proportion of cement nonunion and distribution of cement fill pattern. LIMITATIONS: Cement nonunion was observed in only 6.8% of cases. Due to this low proportion, statistical inference tends to have low power. Multiple levels were treated in nearly half of the study’s patients undergoing a single vertebroplasty/kyphoplasty session; in these cases, each level was treated as independent rather than spatially correlated within the same study patient. CONCLUSIONS: Vertebral body fracture clefts are not uncommon and are related to (but distinct from) cement nonunion and cement fill patterns. Our study shows that, although patients with clefts will benefit from cement augmentation just as much as patients without a cleft, the performing provider should take note of cement fill and take extra steps to ensure optimal cement fill. These providers should also identify cement nonunion and associated complications (such as cement migration) on follow-up imaging. KEY WORDS: Kyphoplasty, vertebroplasty, compression fracture, cement nonunion, vertebral fracture cleft, spine, cement augmentation


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