New Computerized Planning Algorithm and Clinical Testing of Optimized Nuss Bar Design for Patients with Pectus Excavatum

18 May 2024 : Clinical Research

János György Papp^1ABCDEF*, Ákos Kiss^1B, Krisztián Balogh^2BC, László Kostyál^3BC, Imre Tóth^4BC, Tibor Gáll^5BCD, Péter Vajda

^6DEF, Tamás F. Molnár^7DEF, István Papp^8CD, László Szabó^910EF, Árpád B. Palotás

^11ACDEF

DOI: 10.12659/MSM.943705

Med Sci Monit 2024; 30:e943705

Introduction Material and Methods Results Discussion Conclusions References

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Table 4 Pilot study data of patients operated on with pectus excavatum.

Patient number	1	2	3	4	5	6	7	8	9	10
Sex	Male	Male	Male	Male	Male	Male	Male	Male	Female	Female
Age	17	15	15	17	15	15	16	16	18	15
Haller index	4.2	7.14	5.00	3.3	5.6	3.4	4.2	3.4	4.2	5.6
Number of bars	1	2	1	1	2	1	1	1	1	2
Patient satisfaction score (1–10)/10	10	8	10	9	10	10	9	10	9	10
Surgeon satisfaction score (1–10)/10	9	8	10	10	8	10	9	8	10	10
Operation time (min)	75	145	80	75	90	60	105	155	80	95
Stay in hospital (day)	6	6	5	6	6	6	6	7	7	5
The table shows data from patients operated on using the technique described by the authors. It is a heterogeneous group with varying Haller indices. The first bar was customized for each individual, while the shaping of the second bar was possible only after the first implantation. Dynamic chest model is currently unavailable; therefore, we could design the first bar tailored only to the individual. Satisfaction is a subjective factor from both the patient and surgeon perspectives. Comparing results is challenging due to the unique nature of each deformity. The surgery duration is shortened, as the bar bending is not done beside the operating table.

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