Hasil Pencarian  ::  Simpan CSV :: Kembali

"Model prediksi kesintasan kanker prostat metastasis tulang sudah pernah dilakukan sebelumnya. Namun, model prediksi kesintasan kanker prostat metastasis tulang pra-terapi belum pernah dialukan sebelumnya. Tujuan penelitian ini adalah untuk menganalisis faktor-faktor klinis yang mempengaruhi ketahanan hidup (survival) pada kanker prostat dengan metastasis tulang serta mengembangkan nomogram prognostik ketahanan hidup pada pasien dengan kondisi tersebut. Terdapat 392 subyek dengan kanker prostat dengan metastasis tulang yang mendapat terapi Androgen Deprivation Therapy (ADT) dalam penelitian ini. Parameter pra-perawatan dianalisis menggunakan model cox-proportional untuk mengidentifikasi prediktor ketahanan hidup secara keseluruhan. Kovariat yang menunjukkan nilai signifikansi secara statistik pada analisis multivariat akan dipakai untuk membentuk nomogram. Model prediktor linier digunakan untuk mengembangkan nomogram. Nilai median ketahanan hidup keseluruhan adalah 40,3 bulan (95% CI: 32.2 - 48.5). Analisis univariat menunjukkan bahwa T-stage, Gleason Score, nilai antigen spesifik prostat inisial, dan jumlah lesi metastasis merupakan faktor-faktor prognostik independen terhadap angka ketahanan hidup keseluruhan. Semua prediktor ini tetap menunjukkan hasil yang signifikan secara statistik sebagai faktor prognostik independen pada analisis model multivariat cox-regression. Nomogram yang terbentuk dari faktor-faktor prediktor tersebut menunjukkan diskriminasi yan baik dalam memprediksi ketahanan hidup dalam 5 tahun dengan area under the curve (AUC) sebesar 0.69. Kesepakatan yang diterima dari probabilitas yang diamati dan diprediksi telah dinilai dalam plot kalibrasi. Nilai median ketahanan hidup keseluruhan adalah 40,3 bulan. Prediksi nomogram ini dapat berguna sebagai alat untuk memprediksi angka ketahanan hidup keseluruhan pada sebelum terapi kanker prostat metastasis, secara spesifik pada populasi Indonesia. Penelitian lebih lanjut dibutuhkan untuk memberikan validasi eksternal untuk mendukung penggunaan nomogram ini.

---

A survival prognostic model of prostate cancer with bone metastasis had been done before. However, a prognostic model of pre-treatment prostate cancer with bone metastasis had not yet done. This study aims to analyze the clinical factors among bone-metastatic prostate cancer and their relationships with survival as well as to develop a prognostic nomogram for overall survival in patients with this condition. This study included 392 patients with bone metastatic prostate caner treated with androgen deprivation therapy. Pre-treatment parameters were analyzed using cox-proportional hazard model to identify the predictors of overall survival. Covariates, which showed statistical significance on multivariate analysis, were used to develop a nomogram. Linear predictor model was utilized to develop the nomogram. Median overall survival was 40.3 months (95% CI: 32.2 to 48.5). Univariate analysis showed that clinical T-stage, Gleason Score, initial prostate specific antigen value, and number of metastatic lesion were independent prognostic factors for OS. These predictors still remained significant as independent prognostic factors for overall survival following analysis using multivariate cox-regression model. The nomogram constructed from those prognostic factors showed good discriminaton for predicting the 5-year OS with an Area Under the Curve of 0.69. Acceptable agreement of the observed and predicted probabilites was observed in the calibration plot. The median overall survival of patient with bone metastatic prostate cancer was 40.3 months. The prediction nomogram might be a useful tool for predicting overall survival in pre-treatment bone metastatic prostate cancer, specifically among Indonesian patients. Further studies are needed to provide external validation to support the utilization of this nomogram."

"This greatly expanded third edition of Survival analysis : a self-learning text provides a highly readable description of state-of-the-art methods of analysis of survival/event-history data. The third edition continues to use the unique "lecture-book" format of the first two editions with one new chapter, additional sections and clarifications to several chapters, and a revised computer appendix. The Computer Appendix, with step-by-step instructions for using the computer packages STATA, SAS, and SPSS, is expanded this third edition to include the software package R."

"Analisis survival telah banyak digunakan dalam berbagai bidang, termasuk aktuaria. Analisis survival hendak diketahui distribusi dari waktu hingga terjadi suatu kejadian yang diamati. salah satu parameter yang dapat menjelaskan distribusidari waktu hingga terjadi kejadian tersebut ..."

"ABSTRAKTujuan: Mengetahui batasan nilai PSA untuk memprediksi adanya metastasis tulang pada pasien kanker prostat di RS Sardjito. Metode: Penelitian retrospektif, dengan mengumpulkan rekam medis pasien kanker prostat telah dilakukan bone scintigraphy di RS Sardjito tahun 2006 - 2011.Hasil: Dari 83 pasien kanker prostat yang telah dilakukan bone scintigraphy, terdapat 55 pasien (66%) mengalami metastasis tulang dan terdapat 28 pasien (34 %) yang tidak mengalami metastasis tulang. Dari 55 pasien yang mengalami metastasis tulang, terdapat 11 pasien (20 %) dengan PSA kurang dari 20 ng/ml dan terdapat 44 pasien (80 %) yang memiliki PSA lebih dari 20 ng/ml. Cut-off point PSA 17.65 ng/ml memiliki sensitivitas terbesar yaitu 85.5% dan spesifisitas 53.6%.Kesimpulan: Pemeriksaan bone scintigraphy dianjurkan pada pasien dengan PSA > 17.65 ng/ml, sedangkan pada pasien dengan PSA < 17.65 dianjurkan pada pasien dengan gejala klinis nyeri tulang.

---

ABSTRACTObjective: Prostate cancer shows a strong predilection to spread to the bones, with bone metastases identified at autopsy in up to 90 % of patients dying from prostate cancer. Serum prostate specific antigen (PSA) concentration has been widely applied as a biomarker to diagnose and monitor prostate cancer. Technetium-99m methylene diphosphate (Tc—99m MDP) whole body bone scintigraphy is currently a well-accepted diagnostic procedure for bone metastasis in malignancy. The aim of this study was to establish a useful serum PSA cut-off value to predict the presence of bone metastasis in men with prostate cancer. Material and Methods: Consecutive male patients diagnosed with prostate cancer were retrospectively analyzed. All of the subjects had received Tc-99m MDP whole body bone scintigraphy and had their serum PSA concentration measured at Sardjito Hospital, Yogyakarta. The proper cut-off value was established based on statistical analysis in order to predict the possibility of bone metastasis among prostate cancer patients.Results: In total, 83 consecutive male patients with prostate cancer were enrolled, and 55 patients (66 %) were confirmed by scintigraphic findings to have bone metastases. A serum PSA concentration of 17,65 ng/ml gave the best sensitivity (78,33 %) and specificity (65,21 %). The positive predictive value, negative predictive value were 85,45 % and 53,57 %, respectively (p<0,05).Conclusion: A cut-off value of 17,65 ng/ml appears to be an appropriate benchmark for stratifying metastatic bone disease in prostate cancer patients at Sardjito Hospital, Yogyakarta, such that if a patient with newly diagnosed prostate cancer and without any skeletal symptoms has a serum PSA concentration of less than 17,65 ng/ml,we suggest that they would not need to undergo bone scintigraphy."

"Survival data consist of a single event for each population unit, namely, end of life, which is modeled with a life distribution. In contrast, many applications involve repeated-events data, where a unit may accumulate any number of events over time. Examples include the number and cost of repairs of products, the number and treatment costs of recurrent disease episodes in patients, and the number of childbirths to statisticians. This applied book provides practitioners with basic nonparametric methods for such data, particularly the plot of the estimate of the population mean cumulative function (MCF), which yields most of the information sought.Recurrent Events Data Analysis for Product Repairs, Disease Recurrences, and Other Applications is the first book to present a simple, unified theory that includes data on costs or other "values" of discrete events, not just the number of events. It surveys computer programs that calculate and plot the MCF estimate with confidence limits, shows their output, and explains how to interpret such plots. Many such calculations can be easily done with a pocket calculator or spreadsheet program. Also, the book introduces basic Poisson and Cox regression models and parametric models, including homogeneous and nonhomogeneous Poisson processes and renewal processes."

"Tujuan: Untuk mengetahui bagaimana upaya diagnosis kanker prostat yang dilakukan oleh spesialis urologidi Indonesia. Metode: Dilakukan pembagian kuesioner yang dirancang sendiri kepada Spesialis Urologi di Indonesia. Kuesioner berisi 11 pertanyaan tentang jenis dan indikasi pemeriksaan yang dilakukan, serta fasilitas yang tersedia di tempat responden dalam penegakan diagnosis kanker prostat. Hasil: Sebanyak 65 (36%) dari 182 (saat penelitian ini dilakukan) spesialis urologi di Indonesia mengembalikan formulir kuesioner. Dari jenis RS primer tempat bekerja terbanyak berasal dari RS swasta (35%), disusul RS pendidikan utama Fakultas Kedokteran (32%). Seluruh responden menjadikan lower urinary tract symptoms (LUTS) sebagai indikasi untuk melakukan pemeriksaan colok dubur. Selain itu 83% responden juga menjawab, peningkatan PSA sebagai salah satu indikasi pemeriksaan colok dubur. Pemeriksaan PSA dilakukan oleh 72% responden pada penderita dengan kecurigaan kanker prostat tanpa melihat usia. Sebanyak 66% responden mengerjakan sendiri pemeriksaan transrectal ultrasonografi (TRUS) dan biopsi, 18% merujuk pada sejawat lain di propinsi yang sama dan 15% tidak memiliki fasilitas TRUS dan biopsi di propinsi tempat bekerja. Sebanyak 75% responden memiliki fasilitas bone scan di Rumah Sakit primer, atau tersedia di RS pada propinsi yang sama. Indikasi tersering melakukan biopsi prostat adalah pada PSA lebih dari 10 ng/ml tanpa melihat usia. Sebanyak 86% responden melakukan biopsi pada kecurigaan kanker prostat melalui colok dubur tanpa melihat usia. Sembilan puluh persen responden menggunakan antibiotik profilaksis golongan Kuinolon untuk biopsi prostat. Sebanyak 46% menggunakan analgesia oral atau suppositoria atau kombinasi keduanya sebagai analgesia dalam biopsi prostat. Kesimpulan: Dalam mendiagnosis kanker prostat, spesialis urologi di Indonesia melakukan pemeriksaan colok dubur, PSA dan TRUS biopsi prostat, namun masih terdapat perbedaan pendapat tentang indikasi dan waktu dilakukannya masing-masing pemeriksaan. Ketersediaan fasilitas diagnostik juga berpengaruh dalam diagnostik kanker prostat di Indonesia. Belum tersedianya guideline Nasional pada saat penelitian ini dilakukandiduga menyebabkan perbedaan pendapat tersebut.

---

Purpose: To get information on diagnosis of prostate cancer conducted by urologist in Indonesia.

Method: A self-constructed questionnare of 11 questions about the type and indication of the tests, as well as the available facilities at the place of the respondents to diagnose prostate cancer distributed to Indonesian Urologist.

Result: As much as 65 (36%) from 182 (when the survey was conducted) Indonesian Urologist returned the questionnare. Most of them worked in Private Hospital (35%), followed by Medical School Hospital (32%). All respondents performed DRE in patients with Lower Urinary Tract Symptoms (LUTS). Elevated PSA was also indication for conducting DRE in 83% respondents. PSA level was tested by 72% respondents in patients with suspicion of prostate cancer regardless of age. As much as 66% respondents did Trans Rectal Ultrasound (TRUS) and prostate biopsy by themselves, 18% referred to other urologists in the same province and 15% didn?t have TRUS and prostate biopsy facilities in their province. Bone scan was available in the Primary Hospital or another hospital in the province of 75% respondents. Main indication to perform prostate biopsy was elevated PSA level above 10ng/ml regardless of the age. Meanwhile, 86% respondents did prostate biopsy in suspiciousness of prostate cancer by DRE regardless of age. Most respondents (90%) chose Quinolon as prophylaxis antibiotic in prostate biopsy and 46% respondents used oral analgesia or suppository or both in prostate biopsy.

Conclusions: In diagnosing prostate cancer, Indonesian Urologists performed DRE, PSA serum analysis and TRUS biopsy of the prostate. But the Indonesian Urologists still had different opinions about the indications and timing of the procedure. The availability of diagnostic equipment and unavailability of National Guideline of Prostate Cancer when this study was conducted played a role of how the prostate cancer diagnosed in Indonesia."

"Pendahuluan: Kanker prostat merupakan jenis kanker yang paling sering kedua dan penyebab kematian kelima terbanyak di kalangan pria di seluruh dunia. Meskipun ada kemajuan dalam terapi, masalah kekambuhan dan resistensi terhadap pengobatan masih menjadi perhatian, seperti kanker prostat metastasis resisten kastrasi (MCRPC) yang tidak merespons terapi pengurangan androgen tradisional. Penghambat Poly ADP-ribose polymerase (PARP) dianggap sebagai pengobatan yang menjanjikan untuk pasien MCRPC. Oleh karena itu, kombinasi terapi PARP dan antiandrogen perlu dievaluasi.Bahan & Metode: Review sistematis dilakukan dengan mengikuti panduan Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA). Pencarian literatur dilakukan pada lima basis data yang berbeda dan disaring sesuai dengan kriteria PICO yang ditentukan. Pengambilan data dilakukan untuk membandingkan Kelangsungan Hidup Bebas Progresi (PFS), Kelangsungan Hidup Keseluruhan (OS), Kualitas Hidup Terkait Kesehatan (HRQOL), dan efek samping, dilanjutkan dengan analisis kuantitatif.Hasil & Diskusi: Sebanyak empat RCT yang memenuhi syarat, termasuk dua studi besar, dimasukkan dalam penelitian ini. Analisis PFS menunjukkan penurunan risiko yang signifikan dengan rasio bahaya (HR) sebesar 0.53 (95% CI 0.43-0.66;p<0.001). Hasil serupa juga ditemukan dengan penurunan risiko kematian dengan OS HR sebesar 0.75 (95% CI 0.58-0.97;p=0.03). Analisis HRQOL pada Functional Assessment of Cancer Therapy - Prostate (FACT-P) melaporkan hasil yang tidak signifikan [HR=0.97 (95% CI 0.80-1.17;p=0.72)], dengan hasil serupa pada skor rasa sakit terburuk BPI-SF [HR=0.66 (95% CI 0.32-1.35;p=0.26). Analisis efek samping cukup menarik dengan penurunan risiko pada efek samping ringan dan risiko lebih besar pada kejadian efek samping yang parah, dengan efek kumulatif perbedaan efek samping yang tidak signifikan antara kedua kelompok [HR=1.13 (95% CI 0.79-1.62;p=0.49).Kesimpulan: Penambahan penghambat PAPR pada pengobatan pasien mCRPC secara signifikan meningkatkan PFS dan OS tanpa memberikan dampak negatif pada HRQoL dan efek samping. Studi lanjutan harus dilakukan untuk menentukan manfaatnya dalam berbagai pengaturan.

---

ntroduction: Prostate cancer is the second most common cancer and the fifth leading cause of death among men worldwide. Despite the advancement in therapy, recurrence and resistancy after treatment is still a concerning issue, such as metastatic castration-resistant prostate cancer (MCRPC) which is resistant to traditional androgen-deprivation therapy (ADT). Poly ADP-ribose polymerase (PARP) inhibitor is hailed as a promising treatment for MCRPC patients. Thus, combination therapy on PARP and antiandrogen should be evaluated.

Material & Methods: Systematic review was conducted by adhering to the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) statement. The literature search were conducted on five different databases and screened against the predetermined PICO criteria. Data extraction were completed to compare Progression-Free Survival (PFS), Overall Survival (OS), Health-Related Quality of Life (HRQOL), and adverse effects, continued by quantitative analysis

Results & Discussion: A total of four eligible RCTs, comprising of two large studies were included. The PFS analysis has reported significant risk reduction with hazard ratio (HR) of 0.53 (95% CI 0.43-0.66;p<0.001). Similar results are also found with reduced risk of death with OS HR of 0.75 (95% CI 0.58-0.97;p=0.03). The HRQOL analysis on Functional Assessment of Cancer Therapy - Prostate (FACT-P) reported insignificant results [HR=0.97 (95% CI 0.80-1.17;p=0.72)], with similar results with the BPI-SF worst pain score [HR=0.66 (95% CI 0.32-1.35;p=0.26). The adverse effects analysis was quite interesting with risk reduction on mild adverse effects and

greater risk in severe adverse events, with a cumulative effect of insignificant adverse events difference among the two group [HR=1.13 (95% CI 0.79-1.62;p=0.49).

Conclusion: The addition of PAPR inhibitor to the treatment of mCRPC patients has significantly improved the rPFS and OS with no negative impact on HRQoL and adverse effects. Further studies should be conducted to determine the benefits in various settings.

"

"Pendahuluan: Kanker prostat adalah keganasan terbanyak pada pria, penyebab kematian kedua terbesar akibat keganasan. Colok dubur adalah pemeriksaan dasar dan deteksi dini untuk mendiagnosis kanker prostat. Saat ini pemeriksaan Prostate-Specific Antigen (PSA) dianggap sebagai tumor marker yang paling bermanfaat untuk mendeteksi kanker prostat. The American Cancer Society dan American Urologic Association merekomendasikan penyaringan kanker prostat setiap tahun dengan pemeriksaan colok dubur dan PSA. Tujuan: Tujuan penelitian ini adalah untuk mengetahui hubungan antara pemeriksaan colok dubur dan nilai PSA pada pasien kanker prostat di RSUP DR Sardjito Yogyakarta periode Januari 2011 sampai Desember 2011. Metode Penelitian: Penelitian ini adalah kasus kontrol. Data dikumpulkan secara retrospektif dari catatan medis RSUP DR Sardjito pada pasien dengan colok dubur yang abnormal atau colok dubur normal dengan nilai PSA ≥ 10 ng/dl selama periode Januari 2011 sampai Desember 2011. Hasil pemeriksaan colok dubur dan nilai PSA didapatkan pada saat kunjungan pertama pasien ke rumah sakit. Analisis data nominal menggunakan Chi Square dengan SPSS 18. Hasil: Terdapat 87 pasien yang berhasil dikumpulkan selama periode Januari 2011 sampai Desember 2011 yang memiliki hasil pemeriksaan colok dubur abnormal atau colok dubur normal dengan nilai PSA ≥ 10 ng/dl. Pasien memiliki usia rata-rata 70 tahun, nilai median PSA 10,9 ng/dl. Pada pasien ini ditemukan colok dubur abnormal 43 (49,4%), colok dubur normal 44 (50,6%), PSA ≥ 10 ng/dl 69 (79,3%) dan PSA < 10 ng/dl 18 (20,7%). Pemeriksaan colok dubur dan PSA dinilai signifikan secara statistik untuk mendeteksi kanker prostat, hasil secara berurutan 67,2% vs 32,8% (p < 0,001) and 71,9% vs 28,1% (p = 0,002. Semua pasien dengan colok dubur abnormal dan PSA ≥ 10 ng/dl terdiagnosis kanker prostat (p < 0,001). Simpulan: Pemeriksaan colok dubur dan Prostate Specific Antigen (PSA) adalah prediktor terbaik untuk kanker prostat.

---

Introduction: Prostate cancer is the most frequent form of cancer in males, being also second cause of death by cancer. Digital Rectal Examination (DRE) is the basic examination and early diagnosis for prostate cancer. The Prostate-Specific Antigen (PSA) assay is currently considered the most useful tumor marker for detecting prostate cancer. Both the American Cancer Society and American Urologic Association recommended annual cancer screening with both Digital Rectal Examination (DRE) and PSA.

Objective: The objective of this study is to understand the correlation between DRE and PSA level in prostate cancer at Sardjito General Hospital Yogyakarta during januari 2011 until december 2011.

Research Method: This is a case control study. The data were retrospectively collected from medical record in sardjito general hospital who had abnormal DRE or normal DRE with PSA ≥ 10 ng/dl during januari 2011 until December 2011. The DRE and PSA value were examined in the first time they came to the hospital. A chi-square was performed to analyzed the nominal data with SPSS 18.

Result: There are 87 patients were collected during januari 2011 until December 2011 who had abnormal DRE or normal DRE with PSA ≥ 10 ng/dl. The median age was 70 years, median PSA level was 10,9 ng/dl. Of these patient, we found abnormal DRE in 43 (49,4%), normal DRE in 44 (50,6%), PSA ≥ 10 ng/dl was 69 (79,3%) and PSA < 10 ng/dl was 18 (20,7%). Digital Rectal Examination and PSA was statistically significant to detected prostate cancer, 67,2% vs 32,8% (p < 0,001) and 71,9% vs 28,1% (p = 0,002), respectively. All patient who had abnormal DRE and PSA ≥ 10 ng/dl were diagnosed with prostate cancer (p < 0,001).

Conclusion: Digital Rectal Examination (DRE) and Prostate Specific Antigen (PSA) are the best predictor for prostate cancer. "