• 제목/요약/키워드: Occult blood

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Factors Predicting Fecal Occult Blood Testing among Residents of Bushehr, Iran, Based on the Health Belief Model

  • Dashdebi, Kamel Ghobadi;Noroozi, Azita;Tahmasebi, Rahim
    • Asian Pacific Journal of Cancer Prevention
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    • 제17권sup3호
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    • pp.17-22
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    • 2016
  • Colorectal cancer is a major cause of mortality worldwide. Fecal occult blood testing has proven a very effective screening tool for early detection and mortality reduction. The aim of this study was to determine predictors factors related to fecal occult blood testing using the Health Belief Model method among residents of Bushehr, Iran. A cross sectional study was performed on a sample of 600 men and women more than 50 years of age. The sample was selected by a convenience method from patients referred to public and private laboratories throughout the city. Each subject filled out a questionnaire which was designed and developed based on Health Belief Model constructs. Statistical analysis was conducted using ANOVA, T-test, chi-square test, and logistic regression. Fecal occult blood tests were performed on 179 (29.8%) out of 600 subjects, of which 95 patients (58.1%) did a periodic examination test and 84 patients (46.9%) had a doctor's advice for testing. According to the logistic regression model, the perceived barriers (P=0.0, Exp(B)= 0.3), perceived benefits (P<0.01, Exp(B)= 1.9) and self-efficacy (P<0.01, Exp(B)= 1.6) were predictive factors related to occult blood testing among subjects. The results showed that reducing people's perception of barriers to testing, increasing perceived benefits of screening, and reinforcing self efficacy can have major effect in increasing the rate of fecal occult blood screening for colorectal cancer prevention.

Public Awareness of Colorectal Cancer in a Turkish Population: Importance of Fecal Occult Blood Testing

  • Bas, Koray;Guler, Tolga;Gunay, Levent Mert;Besim, Hasan;Uygur, Dilek
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권1호
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    • pp.195-198
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    • 2012
  • To date, there was no controlled-study regarding awareness and knowledge of colorectal cancer in the Turkish population. We therefore designed a questionnaire consisting of items related to socio-demographic parameters, medical and family history and questions of awareness and knowledge about colorectal cancer for use in a descriptive cross-sectional study. An interviewer-administered technique was applied and 450 subjects were interviewed in the outpatient clinics at Near East University Hospital. Among all subjects, 337 were found to be eligible for the study group. Exclusion criteria were age below 18 years, any cancer history, family history of colorectal cancer, current colorectal problems, history of any diagnostic or therapeutic interventions for colorectal diseases. All participants stated that they heard about colorectal cancer. When asked about the lifetime risk of colorectal carcinoma, only 25.4% of women and 37.9% of men estimated correctly. Univariate analysis revealed that the total awareness score was significantly correlated with age, marital status, parenthood and fecal occult blood testing history. On multivariate analysis of independent predictors for awareness of colorectal cancer were found to be history of fecal occult blood testing, age and marital status were found to be the most important determinants. As a conclusion, opportunistic screening with fecal occult blood test by physicians from non-gastrointestinal specialties not only helps to reduce the mortality but also increases the awareness of colorectal cancer.

배뇨장애를 호소하는 여성의 자율신경계 특성과 요검사와의 상관관계 분석 (Correlation between Heart Rate Variability and Urine Analysis of Women with Urinary Disturbance)

  • 박경선;이진무;이창훈;조정훈;장준복;이경섭
    • 대한한방부인과학회지
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    • 제24권1호
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    • pp.74-86
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    • 2011
  • Objectives: The purpose of this study was to examine correlation between Heart Rate Variability and urine analysis of women with urinary disturbance. Methods: We studied 34 patients visiting ${\bigcirc}{\bigcirc}$hospital from January 2010 to September 2010. The subjects were categorized in two groups, symptom group (n=11) and no symptom group(n=23). We studied the difference of Heart Rate Variability and urine analysis between two groups by Student T-test and correlation between Heart Rate Variability and urine analysis by Pearson's correlation coefficient test using SPSS for windows (version 17.0). Results: Occult blood of symptom group was significantly higher than no symptom group. SDNN, TP and HF of symptom group was significantly lower than no symptom group. Occult blood and SDNN, occult blood and RMS-SD, occult blood and HF significantly showed negative correlation coefficient. pH and TP, pH and LF significantly showed positive correlation coefficient. Conclusion: The results suggest that urinary disturbance can be related to decreased activity of autonomic nervous system. Also urine from women with urinary disturbance tend to show higher occult blood.

기관지 내시경에 의해 진단된 기관과 식도를 침범한 갑상선 잠재성 유두암 1예 (A Case of Occult Papillary Carcinoma of Thyroid, Invaded Trachea and Esophagus)

  • 조덕수;안병이;이덕수;한동호;김상영;김귀완
    • Tuberculosis and Respiratory Diseases
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    • 제44권5호
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    • pp.1125-1131
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    • 1997
  • Occult papillary adenocarcinoma of the thyroid is known to be indolent, slow metastatic, and has a good prognosis. Occult thyroid carcinoma presenting as a blood-borne metastasis without obvious cervical lymph node involvement is extremely rare. A 65-year-old male patient was visited for hoarseness, dysphagia, and shortness of breath. Bronchoscopy with biopsy revealed a papillary carcinoma of thyroid by immunohistochemical staining. Head & neck CT revealed that involving both the upper esophagus and the posterior tracheal wall, extending into the mediastinum along the upper thoracic spine at $T_1-T_2$. We have experienced a rare case of occult papillary carcinoma which invaded the trachea, esophagus and fascia of thoracic spine. Treatment was initiated with radioactive iodine and external bean therapy.

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신속 FOB(분변 잠혈) 검사 키트를 이용한 혈흔 검출 및 인혈 검사 (Identification of human blood using Rapid FOB (Fecal Occult Blood) Test Kit)

  • 임시근;박기원;최상규
    • 분석과학
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    • 제17권3호
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    • pp.211-216
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    • 2004
  • 본 연구는 분변 잠혈 검출 키트 (one-step FOB(Fecal Occult Blood) kit)가 법생물학적으로 매우 중요한 혈흔 검출 및 사람 혈흔 판정에 적용 가능한지 알아보고자 하였다. 먼저 FOB 키트의 민감도를 결정하고 기존의 혈흔 검사법인 LMG 검사와 비교한 결과 1,000,000배 희석된 혈액까지도 검출 되었는데 이는 LMG 검사에 비해 약100배 정도 예민한 것이었다. 다른 동물 혈액에 대한 교차 반응 여부를 실험한 결과 FOB 키트는 사람의 혈액과만 반응하여 높은 특이성을 보여주었다. 또한 혈액의 보관 온도 및 경과 시간의 영향, 고온 처리의 영향을 알아보았으며, LMG 및 Luminol 시약의 영향에 대해서도 실험하였다. 사람 혈액 특이 항원은 매우 높은 안정성을 보여주었으며, 전통적인 혈흔 검사 시약인 LMG 및 Luminol에 대해서도 영향을 받지 않았다. 따라서 FOB 키트는 LMG 검사 및 Luminol 검사와 병행하여 사용하면 보다 신속하고 정확하게 사람 혈흔 여부를 판정할 수 있어 법과학 실험실에서는 물론 사건 현장에서의 혈흔 검사에 크게 기여할 수 있을 것으로 사료된다.

Screening for Colorectal Neoplasias with Fecal Occult Blood Tests: False-positive Impact of Non-Dietary Restriction

  • Roslani, April Camilla;Abdullah, Taufiq;Arumugam, Kulenthran
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권1호
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    • pp.237-241
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    • 2012
  • Objective: Screening for colorectal cancer using guaiac-based fecal occult blood tests (gFOBT) is well established in Western populations, but is hampered by poor patient compliance due to the imposed dietary restrictions. Fecal immunochemical tests (FIT) do not require dietary restriction, but are more expensive than gFOBT and therefore restrict its use in developing countries in Asia. However, Asian diets being low in meat content may not require diet restriction for gFOBT to achieve equivalent results. The objective of this study was to evaluate and compare the validity and suitability of gFOBT and FIT or a combination of the two in screening for colorectal neoplasias without prior dietary restriction in an Asian population. Methods: Patients referred to the Endoscopic Unit for colonoscopy were recruited for the study. Stool samples were collected prior to bowel preparation, and tested for occult blood with both gFOBT and FIT. Dietary restriction was not imposed. To assess the validity of either tests or in combination to detect a neoplasm or cancer in the colon, their false positive rates, their sensitivity (true positive rate) and the specificity (true negative rate) were analyzed and compared. Results: One hundred and three patients were analysed. The sensitivity for picking up any neoplasia was 53% for FIT, 40% for gFOBT and 23.3% for the combination. The sensitivities for picking up only carcinoma were 77.8%, 66.7% and 55.5%, respectively. The specificity for excluding any neoplasia was 91.7% for FIT, 74% for gFOBT and 94.5% for a combination, whereas for excluding only carcinomas they were 84%, 73.4% and 93.6%. Of the 69 with normal colonoscopic findings, FOBT was positive in 4.3%, 23.2 %and 2.9% for FIT, gFOBT, or combination of tests respectively. Conclusion: FIT is the recommended method if we are to dispense with dietary restriction in our patients because of its relatively low-false positivity and better sensitivity and specificity rates.

Psychometric Evaluation of the Colorectal Cancer Screening Belief Scale Based on Health Belief Model's Constructs for the Fecal Occult Blood Test

  • Tahmasebi, Rahim;Noroozi, Azita;Dashdebi, Kamel Ghobadi
    • Asian Pacific Journal of Cancer Prevention
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    • 제17권1호
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    • pp.225-229
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    • 2016
  • Background: It is important to validate scales related to cancer screening beliefs in order to better understand perceptions. The aim of this study was to test the psychometric properties of the colorectal cancer screening belief scale based on Health Belief Model (HBM) constructs. Materials and Methods: Data were collected from 600 persons referred to outpatient laboratory units in Iran through a convenience sampling procedure. In this cross-sectional study, exploratory and confirmatory factor analyses were used to examine construct validity of scale. Results: Through exploratory factor analysis, 52 items of the scale converged to five constructs of HBM with 4 items omission. Construct validity was determined by confirmatory factor analysis through which correlated model was supported. Cronbach's alpha coefficient for the whole scale was obtained as 0.78, which indicates reliability of the scale. Conclusions: The study findings showed that this scale is a valid and reliable instrument that can be used for measuring HBM constructs about colorectal cancer screening with the fecal occult blood test.

A Correlation between Urinary Methylhippuric Acid and Hematologic Finding and Urinalysis Index due to Xylene Exposure

  • Lee, Won-Gun;Kim, In-Sik;Kang, Sang-Sun;Hyun, Sung-Hee
    • 대한의생명과학회지
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    • 제18권1호
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    • pp.42-48
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    • 2012
  • This study was performed to investigate the urinary methyl hippuric acid (UMHA) excretion among aircraft maintenance workers exposed to xylene by examination of blood test, urine test and biochemical tests. Study subjects (301) were divided into 2 groups; non-exposed group (n=123, who were not exposed to xylene), and exposed group (n=178, who were exposed to xylene). The average of blood level and MHA level was normal. The ${\gamma}$-GTP level was 35.5 IU/L (45.7%) in the exposed group and 27.9 IU/L (44.7%) in the non-exposed (control) group. The proportion of total cholesterol (TG) level higher than 150 mg/dl were 34.3% in the exposed group and 21.1% in the non-exposed group. These results were showed statistically significant difference (${\chi}^2$ = 6.10, P<0.05). Other items showed no statistically significant differences. The results of urine tests were no statistically significant differences in protein, occult blood and glucose level.

Predictors of Re-participation in Faecal Occult Blood Test-Based Screening for Colorectal Cancer

  • Cole, Stephen R.;Gregory, Tess;Whibley, Alex;Ward, Paul;Turnbull, Deborah;Wilson, Carlene;Flight, Ingrid;Esterman, Adrian;Young, Graeme P.
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권12호
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    • pp.5989-5994
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    • 2012
  • Background: There is little information on longitudinal patterns of participation in faecal occult blood test (FOBT) based colorectal cancer (CRC) screening or on demographic or behavioural factors associated with participation in re-screening. The lack of an agreed system for describing participatory behaviour over multiple rounds also hampers our ability to report, understand and make use of observed associations. Our aims were to develop a system for describing patterns of participatory behaviour in FOBT-based CRC screening programs and to identify factors associated with particular behavioural patterns. Methods: A descriptive framework was developed and applied to a data extract of screening invitation outcomes over two rounds of the NBCSP. The proportion of invitees in each behaviour category was determined and associations between behaviour patterns and demographic and program factors were identified using multivariate analyses. Results: We considered Re-Participants, Dropouts, Late Entrants and Never Participants to be the most appropriate labels for the four possible observed participatory categories after two invitation rounds. The screening participation rate of the South Australian cohort of the NBCSP remained stable over two rounds at 51%, with second round Dropouts (10.3%) being balanced by Late Entrants (10.5%). Non-Participants comprised 38.7% of invitees. Relative to Re-Participants, Dropouts were older, more likely to be female, of lower SES, had changed their place of residence between offers had a positive test result in the first round. Late Entrants tended to be in the youngest age band. Conclusions: Specific demographic characteristics are associated with behavioural sub-groups defined by responses to 2 offers of CRC screening. Targeted group-specific strategies could reduce dropout behaviour or encourage those who declined the first invitation to participate in the second round. It will be important to keep first round participants engaged in order to maximise the benefit of a CRC screening program.