Health status of Polish children and adolescents after cancer treatment

Abstract

In the last 40 years, considerable progress was made in the treatment of childhood cancer. Nearly 80% of children achieve long-term clinical remission or are permanently cured. This improvement is however not without sacrifice. This is the first Polish study analyzing the general health status and epidemiology of organ late effects in the cohort of Polish childhood and adolescent cancer survivors monitored by doctors and registered in the on-line national database for late effects (N = 1761). This tool collects information on previous therapy and current health status (medical history, physical examination, laboratory tests) of cancer survivors. The survivors are invited to take part in the follow-up examination 5 years after the end of treatment. In the study group, 207 survivors (11.75%) had no complaints; whereas in 1554 cases (88.25%), one or more symptoms/complaints suggesting organ dysfunction were reported. In the whole group, the circulatory problems were most common (31.7%); more than 20% of survivors presented complaints or abnormal function of the urinary tract and had skin, dental, skeletal/muscular problems, or difficulty with chewing. Obesity or short stature alone (21.4%) and a variety of endocrine problems (short stature, obesity, thyroid dysfunction, and gonads toxicity) were present in 323 patients (118 females 15.0% and 205 males 21.0%). Gonadal dysfunction, as the only problem, occurred in 75 girls (9.6%) and 131 boys (13.4%). In our cohort, severe or life-threatening health conditions (3 and 4 grade according to toxicity criteria) were present in low percentage, i.e., 0.2% in the circulatory system, 0.3% in the respiratory tract and, 0.7% in kidney insufficiency.

Conclusion: Our findings indicate that many childhood cancer survivors demonstrate numerous complaints, even a short time after treatment, suggesting the importance of regular follow-up examinations in subsequent years.

What is Known: • Contemporary studies indicate that a significant number of childhood cancer survivors present different long-term side effects which influence their quality of life.

What is New: • This is the first nationwide study performed in the largest cohort of Polish childhood cancer survivors concerning general health status and frequency of organ dysfunction.

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