ORIGINAL RESEARCH
The Effect of Hypercalcemia on Otoacoustic Emission in Patients with Primary Hyperparathyroidism
Primer Hiperparatiroidili Hastalarda Hiperkalseminin Otoakustik Emisyona Etkisi
Received Date : 23 Nov 2022
Accepted Date : 23 Mar 2023
Available Online : 30 Mar 2023
İrfan KARAa, Dilek TÜZÜNb, Muhammed Gazi YILDIZa, Emek TOPUZb, Adem DOĞANERc,İsrafil ORHANa, Halil İbrahim ŞENd, Nida YALÇINa
aKahramanmaraş Sütçü İmam Üniversitesi Tıp Fakültesi, Kulak Burun Boğaz ABD, Kahramanmaraş, Türkiye
bKahramanmaraş Sütçü İmam Üniversitesi Tıp Fakültesi, Endokrinoloji ve Metabolizma Hastalıkları BD, Kahramanmaraş, Türkiye
cKahramanmaraş Sütçü İmam Üniversitesi Tıp Fakültesi, Biyoistatistik ABD, Kahramanmaraş, Türkiye
dKahramanmaraş Sütçü İmam Üniversitesi Tıp Fakültesi, Kulak Burun Boğaz ABD, Kahramanmaraş, Türkiye
Doi: 10.24179/kbbbbc.2022-93449 - Makale Dili: TR
KBB ve BBC Dergisi. 2023;31(2):75-80
Copyright © 2020 by Turkey Association of Society of Ear Nose Throat and Head Neck Surgery. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
ABSTRACT
Objective: To determine the effect of changes in the
plasma calcium (Ca) level on pure tone audiometry hearing thresholds
and the signal-to-noise ratio (SNR) values in otoacoustic emission measurements
in patients with primary hyperparathyroidism. Material and
Methods: This prospective study included patients aged >18 years,
who were diagnosed with hyperparathyroidism and underwent surgery
between January 2021-September 2022. The patients had no history of
hearing loss, ear surgery, or trauma, and did not have tinnitus. Before
parathyroid adenoma excision and at 1 month postoperatively, puretone
audiometry, distortion product otoacoustic emission (DPOAE),
transient otoacoustic emission (TEOAE) and tympanometric measurements
were taken. Venous blood samples were taken from all the patients
and parathyroid hormone (PTH), Ca, albumin, phosphorus, blood
urea nitrogen and creatinine levels were determined. Results: Evaluation
was made of 42 ears of 21 patients with a mean age of 44.2±10.3
(range, 21-63 years) years. The mean PTH and Ca++ values were measured
as 289±225.9 pg/mL and 11.52±0.72 mg/dL preoperatively, and
79±73.1 pg/mL and 9.34±0.36 mg/dL at 1 month postoperatively
(p<0.001, p<0.001). The air and bone conduction thresholds were determined
to be 14.12±4.06 dB and 9±4.08 dB preoperatively, and
14.56±4,76 dB and 9.43±5.01 dB respectvely, postoperatively
(p=0.151, p=0.610). No statistically significant difference was determined
between the preoperative and postoperative hearing thresholds,
TEOAE, and SNR values in DPOAE. Conclusion: There is a need for
further studies to evaluate the relationship between the perilymph Ca
content associated with the cerebrospinal fluid Ca level and the plasma
Ca level. According to the results of this study, hypercalcemia had no
significant effect on hearing and otoacoustic emission.
Keywords: Hypercalcemia; otoacoustic emission; primary hyperparathyroidism
ÖZET
Amaç: Primer hiperparatiroidili hastalarda plazma kalsiyum
[calcium (Ca)] düzeyi değişikliklerinin saf ses odyometrisi işitme eşikleri
ve otoakustik emisyon ölçümlerinde sinyal gürültü oranı [signal-tonoise
ratio (SNR)] değerleri üzerine etkisinin ortaya konması
amaçlandı. Gereç ve Yöntemler: Bu prospektif çalışma, Ocak 2021-
Eylül 2022 tarihleri arasında yapıldı. Primer hiperparatiroidi tanısı alan
ve ameliyat edilen >18 yaşın üzerindeki hastalardan işitme kaybı ve
tinnitusu olmayan, kulağa yönelik operasyon veya travma geçirmemiş
olgular çalışmaya alındı. Paratiroid adenomu eksizyonu öncesi ve postoperatif
1. ayda saf ses odyometrisi, distorsiyon ürünü otoakustik
emisyon [distortion product otoacoustic emission (DPOAE)], transient
otoakustik emisyon [transient otoacoustic emission (TEAOE)] ve timpanometrik
ölçümler yapıldı, hastalardan venöz kan örneğinde paratiroid
hormon (PTH), Ca, albumin, fosfor, kan üre azotu ve kreatinin
çalışıldı. Bulgular: Çalışmaya, yaşları 21-63 arasında değişen (ortalama
44,2±10,3 yıl) 21 hastanın 42 kulağı dâhil edildi. PTH ve Ca++
preoperatif dönemde sırasıyla ortalama 289±225,9 pg/mL ve
11,52±0,72 mg/dL iken, postoperatif 1. ayda 79±73,1 pg/mL ve
9,34±0,36 mg/dL olarak bulundu (p<0,001, p<0,001). Hastaların preoperatif
hava ve kemik yolu eşikleri ortalaması sırasıyla 14,12±4,06 dB
ve 9±4,08 dB, postoperatif ise sırasıyla 14,56±4,76 dB ve 9,43±5,01
dB olarak bulundu (p=0,151, p=0,610). Preoperatif ve postoperatif
işitme eşikleri, TEOAE ve DPOAE’de SNR değerleri açısından istatistiksel
olarak anlamlı fark saptanmadı. Sonuç: Plazma Ca düzeyi ile
beyin omurilik sıvısı Ca düzeyi ilişkili olarak perilenf Ca içeriği arasındaki
ilişkiyi ortaya koymak adına daha ileri çalışmalara ihtiyaç vardır.
Bu çalışma sonuçlarına göre hiperkalseminin işitme ve otoakustik
emisyon üzerine anlamlı etkisi olmadığı kanaatindeyiz.
Anahtar Kelimeler: Hiperkalsemi; otoakustik emisyon; primer hiperparatiroidi
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