Magnetic Interference From Contemporary Electronic Devices On Programmable Shunt Valves: An In-Vitro Study Under Realistic Usage Conditions

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Results: A total of 73 patients were analysed, with no significant differences in baseline demographics between groups (Table 1).Although the programmable valve cohort exhibited a higher baseline prevalence of urinary incontinence (76.6% vs. 53.8%),this likely reflected a longer preoperative symptom duration.Regarding complications, overdrainage occurred exclusively in the fixed-pressure group (n=2), while the programmable group showed higher descriptive rates of system malfunction and surgical revision (60% vs. 40%); however, these differences did not reach statistical significance.Revisions in the programmable group also occurred earlier postoperatively.Overall, clinical improvement was achieved in 90.4% (n=66) of the total population.Patients treated with programmable valves demonstrated a significantly higher rate of clinical improvement compared to the fixed-pressure group (97.9% vs. 76.9%;OR 13.8, 95% CI 1.6-122; p = 0.007).Conclusions: Our results suggest that patients treated with programmable valves have better treatment outcomes compared to those treated with fixedpressure valves.However, the wide confidence interval reflects limited precision, and larger prospective studies are needed to confirm these findings.