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Screening

Screening. Introduction to Primary Care: a course of the Center of Post Graduate Studies i n FM. PO Box 27121 – Riyadh 11417 Tel: 4912326 – Fax: 4970847. Objectives. Describe the role of P eriodic Health Examination (PHE) in primary care Count three diseases with highest mortality

judith-williamson
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Screening

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  1. Screening Introduction to Primary Care: a course of the Center of Post Graduate Studies in FM PO Box 27121 – Riyadh 11417 Tel: 4912326 – Fax: 4970847

  2. Objectives • Describe the role of Periodic Health Examination(PHE) in primary care • Count three diseases with highest mortality • Mention PHE guideline resources • Explain the effective screening criteria used in PHE • Aware of the risks in PHE • Aware of the importance of PHE and preventive medicine in primary care.

  3. 1 Diseased, diagnosed & controlled 2 Diagnosed, uncontrolled 3 Undiagnosed or wrongly diagnosed disease 4 Risk factors for disease 5 Free of risk factors Diagnosed disease Undiagnosed or wrongly diagnosed disease Iceberg phenomenon ?

  4. The High mortality diseases in Saudi Arabia • Symptoms /Signs ill defined ……24.64% • Diseases of CVS………………...21.82% • Injury / Poisoning……………….18.31% • Conditions perinatal period……..9.88% • Neoplasms………………………4.55% • Diseases of RS…………………. 4.38% MOH- Saudi Arabia

  5. Evidence Based Recommendations

  6. Screening Screening involves the utilization of a diagnostic procedure to check for the presence of a disease prior to the manifestation of clinical symptoms

  7. Goal of screening The goal of screening and evaluation is to prevent the onset of disease or the worsening of an existing disease. For example, measurement of blood pressure is intended to detect hypertension so as to initiate treatment and prevent subsequent morbidity (e.g., stroke or renal failure) or mortality.

  8. World Health Organization — Principles of Screening The Wilson-Jungner Criteria. Public Health Paper 1968, Geneva, WHO • The condition should be an important health problem. • There should be a treatment for the condition. • Facilities for diagnosis and treatment should be available. • There should be a latent stage of the disease.

  9. There should be a test or examination for the condition. • The test should be acceptable to the population. • The natural history of the disease should be adequately understood. • There should be an agreed policy on who to treat. • The total cost of finding a case should be economically balanced in relation to medical expenditure as a whole. • Case-finding should be a continuous process, not just a "once and for all" project.

  10. Types of screening • Mass • Targeted • Multiple or Multiphasic • Case-finding or opportunistic

  11. Risk in Screening • Adverse effects of screening procedure (e.g. Stress, anxiety, radiation exposure, chemical exposure). • Stress and anxiety caused by a “False Positive” screening result. • Unnecessary investigation and treatment of false positive results.

  12. Prolonging knowledge of an illness if nothing can be done about it. • A false sense of security caused by false negatives, which may even delay final diagnosis. • Overuse/waste of medical resources. • Unnecessary and uncomfortable procedures looking for a disease that is unlikely

  13. Periodic Health Examination The purpose of the periodic health examination is to evaluate health status, screen for risk factors and disease, and provide preventive counseling interventions in an age-appropriate manner

  14. Importance of PHE • Educate patients aboutbehavioral patterns or environmental exposures thatpose risks for future diseases. • Examples include • counseling about smoking prevention and cessationto prevent lung cancer and emphysema, • seat belt useto prevent motor-vehicle injuries, or • modifyingsexual practices to prevent the spread of sexuallytransmitted disease.

  15. Sources for information of PHE • AAFP recommended periodic-health-examinationwww.aafp.org/fpr/970300fr/5.html • Canadian Task Force on Preventive medicine.www.ctfphc.org • NHS Screening. www.screening.nhs.uk • PHE.www.answers.com/topic/periodic-health-examination • PHE. www.enotes.com/public-health-encyclopedia/periodic-health-examination

  16. Screening / PHE programs in Saudi Arabia • Annual periodic health examination for all diabetic and hypertensive patients registered at PHC • Cervical screening • Breast cancer screening in some areas • Pre-marital screening (genetic dis., infectious dis.) • Well baby clinic

  17. Counseling • Counseling during the periodic health examination is also very important, for this is where physicians recommend changes in lifestyle that can affect future morbidity and mortality • Premarital • Risky behaviours • Smoking • According to age group • Healthy diet • Exercise...

  18. Thanks

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