scholarly journals An Evaluation of Survival of Space Maintainers: A Six-year Follow-up Study

2005 ◽  
Vol 6 (1) ◽  
pp. 74-84 ◽  
Author(s):  
Ozlem Tulunoglu ◽  
Tezer Ulusu ◽  
Yasemin Genç

Abstract The aim of this study was to evaluate the median survival time of fixed and removable space maintainers related to age groups, gender, and their distribution in upper and lower dental arches. The adherence of patients to a periodic recall program and the success rate of different types of space maintainers related to different arches were also evaluated. This study included 663 patients aged between 4-15 years old that were treated between the years of 1997 and 2002. The patients were categorized into four main groups: lost to follow-up, failed, successful, and censored at the end of study. Three hundred forty-five space maintainers were considered lost to follow-up, 83 were considered failed, 206 successful, and 20 censored-at-end. The overall median survival time of the appliances was 6.51 months. Median survival time was 7.25 months in the 4-6 age group, 6.35 months in the 7-12 age group, and 7.0 months in the 13+ age groups. Median survival time was 5.76 months in girls and 7.11 months in boys. Median survival time of space maintainers was 7.17 months for maxilla and 6.69 months in the mandible. Median survival time was 5.25 months for space maintainers fabricated in both arches. Citation Tulunoglu Ö, Ulusu T, Genç Y. An Evaluation of Survival of Space Maintainers: A Six-year Follow-up Study J Contemp Dent Pract 2005 February;(6)1:074-084.

2020 ◽  
Vol 22 (Supplement_3) ◽  
pp. iii346-iii346
Author(s):  
Juan Li ◽  
Mingyao Lai ◽  
Qingjun Hu ◽  
Cheng Zhou ◽  
Zhaoming Zhou ◽  
...  

Abstract OBJECTIVE We retrospectively analyzed the clinical features of pediatric glioblastoma patients in our center in the past 10 years. METHODS From November 2009 to December 2018, patients with glioblastoma under 18 years were admitted to Guangdong Sanjiu Brain Hospital. Clinical and pathological features were summarized, and the curative effect was evaluated. RESULTS A total of 31 pediatric patients were enrolled. The median age is 13.8 years (range 0.8–18), including 19 males and 12 females. To Sep, 2019, the median follow-up time was 18 months(Range 4–80 months). Among them,2 were lost to follow-up,13 died, 16 still survived, and the longest survivor survived for 80 months. The median survival time was 16.4 months, the 2-year survival rate was 38%. In the prognostic factor analysis, the median survival time of patients with surgical resection ≥90% was 18 months (95% CI 15.9–20 months), and for children with resection 90% was 11 months (95% CI 9.9–12 months), P=0.027, with significantly statistically difference. Multivariate analysis showed that tumor resection rate was an independent prognostic factor for survival. CONCLUSION The prognosis of pediatric glioblastoma is still dismal. This study demonstrates that prognosis of such patients with GTR or near GTR is better.


2020 ◽  
Vol 22 (Supplement_2) ◽  
pp. ii50-ii50
Author(s):  
Juan Li ◽  
Mingyao Lai ◽  
Qingjun Hu ◽  
Zhaoming Zhou ◽  
Xing Zhang ◽  
...  

Abstract OBJECTIVE We retrospectively analyzed the clinical features of pediatric glioblastoma patients in our center in the past 10 years. METHODS From November 2009 to December 2018, patients with glioblastoma under 18 years were admitted to Guangdong Sanjiu Brain Hospital. Clinical and pathological features were summarized, and the curative effect was evaluated. RESULTS A total of 31 pediatric patients were enrolled. The median age is 13.8 years (range 0.8–18), including 19 males and 12 females. To Sep, 2019, the median follow-up time was 18 months(Range 4–80 months). Among them, 2 were lost to follow-up, 13 died, 16 still survived, and the longest survivor survived for 80 months. The median survival time was 16.4 months, the 2-year survival rate was 38%. In the prognostic factor analysis, the median survival time of patients with surgical resection ≥90% was 18 months (95% CI 15.9–20 months), and for children with resection 90% was 11 months (95% CI 9.9–12 months), P=0.027, with significantly statistically difference. Multivariate analysis showed that tumor resection rate was an independent prognostic factor for survival. CONCLUSION The prognosis of pediatric glioblastoma is still dismal. This study demonstrates that prognosis of such patients with GTR or near GTR is better.


2021 ◽  
Author(s):  
Xiao Mu Hu ◽  
Xiao Yu Nie ◽  
Kai Lun Xu ◽  
Yin Wang ◽  
Feng Tang ◽  
...  

Abstract Purpose: Diffuse midline glioma (DMG), H3K27M mutant is a new entity that has become widely recognized. However, studies concerning DMG in adult patients remains rare. We did a retrospective study covering the largest amount of patients to date to analyze the clinicopathological characteristics of DMG in adult. Methods: We reviewed 117 cases of adult DMG, collected their clinical and imaging data along with pathological results including H3K27M. Summarized their features and the connection with overall survival in different age groups.Results: Among 117 cases, most tumors were located at the thalamus, 39 patients had H3K27M mutation, of whom 38 demonstrated down regulation of H3K27me3. The average overall survival of H3K27M-mutant gliomas was 13 months, while that of 78 H3K27M wild-type gliomas were 11.8 months. For young patients (age<35), The median survival time of the H3K27M-mutant was 20.1 months, while that of the H3K27M wild-type was 39.5 months. For older patients (age≥35), the median survival time of the H3K27M-mutant was 22.3 months, while that of the H3K27M wild-type was 17.1 months. The OS of patients who received biopsies, subtotal resections, and total resections were 15.8, 17.6, and 11.6 months respectively. Conclusion: The DMG in adults mainly occurred in the thalamus. H3K27M mutations tend to happen more frequently in young adults, and this genetic alteration results in a worse outcome only in young patients. For old patients, age and the approach of surgery are independent prognostic factors. Patients received biopsy instead of total resection had a better prognosis.


2010 ◽  
Vol 13 (1) ◽  
pp. 109-115 ◽  
Author(s):  
Ilya Laufer ◽  
Andrew Hanover ◽  
Eric Lis ◽  
Yoshiya Yamada ◽  
Mark Bilsky

Object In this paper, the authors' goal was to determine the outcome of reoperation for recurrent epidural spinal cord compression in patients with metastatic spine disease. Methods A retrospective chart review was conducted of all patients who underwent spine surgery at the Memorial Sloan-Kettering Cancer Center between 1996 and 2007. Thirty-nine patients who underwent reoperation of the spine at the level previously treated with surgery were identified. Only patients whose reoperation was performed because of tumor recurrence leading to high-grade epidural spinal cord compression or recurrence with no further radiation options were included in the study. Patients who underwent reoperations exclusively for instrumentation failure were excluded. All patients underwent additional decompression via a posterolateral approach without removal of the spinal instrumentation. Results Patients underwent 1–4 reoperations at the same level. A median survival time of 12.4 months was noted after the first reoperation, and a median survival time of 9.1 months was noted after the last reoperation. At last follow-up 22 (65%) of 34 patients were ambulatory at the time of last follow-up or death, and the median time between loss-of-ambulation and death was 1 month. Functional status was maintained or improved by one Eastern Cooperative Oncology Group grade in 97% of patients. A major surgical complication rate of 5% was noted. Conclusions Reoperation represents a viable option in patients with high-grade epidural spinal cord compression who have recurrent metastatic tumors at previously operated spinal levels. In carefully selected patients, reoperation can prolong ambulation and result in good functional and neurological outcomes.


1973 ◽  
Vol 5 (3) ◽  
pp. 377-391 ◽  
Author(s):  
K. Sadashivaiah ◽  
M. S. Subba Rao

SummaryIntra-uterine contraception is a useful method of fertility control, because of its applicability at all levels of socio-economic development and it has been the mainstay of the fertility control programme in many countries.The present evaluation is based on the hospital follow-up records of 4067 IUD cases from randomly selected mission hospitals for the years 1967 and 1968. Of the insertions, 97·7% were non-post-partum, and 60% of the acceptors were from the age group 25–34 years with a median age of 29·8 years; nearly 70% had fewer than four living children. The pattern of distribution by religion is similar to that of the 1961 census figures.The average number of women months (6·7) of IUD use is very low in a follow-up study of 24 months but is more or less consistent, both by age and parity.The incidence of expulsion, removal and pregnancy was 8·2, 12·9 and 0·6 respectively for all ages and although these rates were higher with the 27½-mm loop than the 30-mm loop the differences are not statistically significant.The rates of expulsion, removals and complaints were greatest during the first 6 months of use and decreased gradually with increase in duration of use.Bleeding, or other symptoms associated with bleeding, were the main reasons for the removals.Incidence of re-insertion was higher among those aged <25 years than among those aged ≥25 years and the difference in the proportion of re-insertions between the two age groups is statistically significant.The size of the loop seems to have no bearing on the incidence of re-insertions.Total termination rates at the end of 6, 12, 18 and 24 months were 9·9, 15·2, 25·0 and 55·9 per 100 first insertions respectively.


2021 ◽  
Author(s):  
xinghe liao ◽  
Cihang Bao ◽  
Minghui Liu ◽  
Menglei Chen ◽  
Xiaoli Gu ◽  
...  

Abstract Background: Hemoglobin is a prognostic factor for many cancer patients. However, its effect on the prognosis of patients with advanced cancer receiving palliative treatment is still unclear.Objective: The aim of this study was to assess whether hemoglobin can be used as a prognostic indicator for patients with advanced cancer receiving palliative treatment.Methods: From July 2013 to October 2015, 368 consecutive patients were treated in the palliative treatment center of the Shanghai Cancer Center of Fudan University. The data for 105 patients were extended in the follow-up. The cut-off value selected for hemoglobin was 100 g/L.Results: The median survival time of patients with low hemoglobin was shorter than that of patients with high hemoglobin (41 days vs. 84 days). In the follow-up readmission cohort (n = 105), the median survival time for patients with high hemoglobin (HHb → HHb) was 3.44 times longer than that of patients with low hemoglobin (HHb → LHb). Thus, both low hemoglobin and decreased hemoglobin were identified as independent prognostic factors for poor prognosis.Conclusions: In palliative treatment, hemoglobin can be used as a stratification factor to determine the prognosis of advanced cancer patients.


2021 ◽  
Vol 11 ◽  
Author(s):  
Pengcheng Zuo ◽  
Tao Sun ◽  
Yi Wang ◽  
Yibo Geng ◽  
Peng Zhang ◽  
...  

ObjectivePrimary squamous cell carcinomas (PSCCs) arising in intracranial epidermoid cysts (IECs) are very rare, and their management and prognostic factors remain unclear. This study aimed to enunciate the clinical features and suggest a treatment protocol based on cases from the literature and the cases from our institution.MethodsThe clinicoradiological data were obtained from nine patients with PSCCs arising in IECs, who underwent surgical treatment at Beijing Tiantan Hospital between July 2012 and June 2018. We also searched the PubMed database using the keywords “epidermoid cyst(s)” or “epidermoid tumor(s)” combined with “malignant” or “malignancy” or “intracranial” or “brain” or “squamous cell carcinoma” between 1960 and 2020. Risk factors for overall survival (OS) were evaluated in the pooled cohort.ResultsThe mean age of our cohort was 51.2 ± 8.3 years (range: 39–61 years), which included eight males and one female. Gross total resection (GTR) was achieved in three patients, while non-GTR was achieved in six patients. Radiotherapy was administered to five patients. After a median follow-up of 16.7 ± 21.6 months (range: 3–72 months), eight patients died with a mean OS time of 9.75 ± 6.6 months (range: 3–23 months). In the literature between 1965 and 2020, 45 cases of PSCCs arising in IECs were identified in 23 males and 22 females with a mean age of 55.2 ± 12.4 years. GTR, non-GTR, and biopsy were achieved in six (13.3%), 36 (80%), and three (6.7%) cases, respectively. After a mean follow-up of 12.7 ± 13.4 months (range: 0.33–60 months), 54.1% (20/37) patients died, and recurrence occurred in 53.6% (15/28) patients. A multivariate analysis demonstrated that postoperative radiotherapy (p = 0.002) was the only factor that favored OS. The Kaplan–Meier analysis showed that, compared with no radiotherapy (median survival time: 4 months), radiotherapy (median survival time: 24 months) had significantly prolonged OS (p = 0.0011), and GTR could not improve OS (p = 0.5826), compared with non-GTR. The 1-year OS of patients with or without radiotherapy was 72.5% or 18.2%, respectively.ConclusionMalignant transformation of IEC into PSCC was prevalent in elderly patients, with slight male predominance. GTR of previous benign IECs is recommended. For remnant benign IECs, close follow-up should be performed. Postoperative radiotherapy for PSCCs could bring survival benefit. GTR of these malignant intracranial tumors is difficult when they involve important brain structures. Future studies with larger cohorts are necessary to verify our findings.


2007 ◽  
Vol 64 (9) ◽  
pp. 591-596 ◽  
Author(s):  
Ilija Tomic ◽  
Marina Petrovic ◽  
Goran Plavec ◽  
Srbislav Ilic

Background/Aim. In 40-50% of patients with non-small cell lung cancer (NSCLC) at the time of making a diagnosis, the disease is yet at IIIb and IV stage. Standard in the treatment of these patient is the application of systemic chemiotherapy based on CIS/Carboplatin preparations. The aim of this study was to determine the influence of two different chemiotherapeutic protocols and neuroendocrine differentiation on treatment response and survival in patients with metastatic NSCLC. Methods. We examined 85 patients with metastatic NSCLC, of which 51 with stage IIIb, and 34 with stage IV of the disease. The histologic diagnosis of NSCLC was determined by tissue assays using hematoxylin eosin method. Neuroendocrine differentiation was determined by immunohistochemical analysis of neuron- specific enolase (NSE), chromogranin A, and synapthophysin expression using monoclonal mouse anti- human bodies (DAKO, Denmark). According to chemiotherapeutic protocol, the patients were randomly assigned into combined Taxol + Cisplatin group (Tax + Cis, n = 35), and Cyclophosphamide + Etoposide + Carboplatin group (CEP, n = 50). The treatment was conducted within 4-6 chemiotherapeutic cycles. The efficacy was assessed after the therapy regimen and median survival time was assessed after the randomization. Results. A total of 31 (36.47%) patients had a favourable therapeutic response, both partial and complete response (54.2% in the Tax + Cis group and 24% in CEP group of patients, respectively, p < 0.001). The median survival time in both groups was 13.1 months (15.3 months in the Tax + Cis group and 10.6 months in the CEP group, respectively, p < 0.001). A one-year follow-up survival period was confirmed in 40% of patients (60% only in the Tax + Cis group). A total of 23 (27.05%) patients with metastatic NSCLC had neuroendocrine differentiation. The disease progression or stable disease was noted only in patient with NSCLC without neuroendocrine differentiation (n = 42, 67.7%, p < 0.001). The median survival time in patients with NSCLC and neuroendocrine differentiation was 14.8 months, without neuroendocrine differentiation 10.7 months (p < 0.001). The patients with NSCLC and neuroendocrine differentiation in the CEP group had a longer one-year follow-up survival period than patients in Tax + Cis group (p < 0.001). In Tax-Cis group of patients, there was no significant difference in one-year follow-up survival period with neuroendocrine differentiation. Conclusion. Better therapeutic response and longer median survival time in metastatic NSCLC was obtained using Tax + Cis as compared to CEP protocol. Similar effect was noted using CEP protocol in patients with NSCLC and neuroendocrine differentiation. .


2006 ◽  
Vol 42 (1) ◽  
pp. 37-43 ◽  
Author(s):  
Patricia A. Kupanoff ◽  
Catherine A. Popovitch ◽  
Michael H. Goldschmidt

Nine cases of colorectal plasmacytomas diagnosed between 1998 and 2001 were reviewed. Treatment consisted of complete surgical resection when possible. Two dogs had multiple plasmacytomas. Two dogs had local recurrence of the tumor at 5 and 8 months after resection. Two dogs were alive at 20 and 23 months with no recurrences at the time of follow-up. The median survival time was 15 months (range 5 to 33 months). Colorectal plasmacytomas are similar to mucocutaneous plasmacytomas, in that they tend to progress slowly and do not recur with complete excision.


Thorax ◽  
1998 ◽  
Vol 53 (2) ◽  
pp. 106-109 ◽  
Author(s):  
A Marasso ◽  
V Bernardi ◽  
R Gai ◽  
E Gallo ◽  
G M Massaglia ◽  
...  

BACKGROUND: A number of treatments, including Nd-YAG laser therapy, brachytherapy, cryotherapy, electrocautery, and photodynamic therapy, can re-open the obstructed bronchial lumen in patients with inoperable obstructive bronchial tumours. None of these is considered to be a "gold standard". METHODS: The results of a retrospective study of 98 patients treated by radiofrequency tissue ablation and subsequent cryotherapy between January 1994 and June 1995 are reported. The patients were divided in two groups according to whether they were treated either after (group 1, n = 50) or before (group 2, n = 48) radiotherapy and/or chemotherapy. Bronchoscopic follow up was performed. The intervention was considered successful if the lumen was opened by > 80% and partially successful if it was opened by > 50%. RESULTS: In group 1 treatment was successful in 60%, partially successful in 32%, and unsuccessful in 8%. The median survival time was five months from the time of bronchoscopic surgery. In group 2 treatment was successful in 66%, partially successful in 21.5%, and unsuccessful in 12.5%, with a median survival time of 14 months from the time of bronchoscopic treatment. Forty patients (24 in group 1 and 16 in group 2) received a Dumon stent. CONCLUSIONS: Radiofrequency bronchoscopic surgery with cryotherapy appears to be a useful technique in the treatment of tracheobronchial obstruction.


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