Latar Belakang : Hipotensi adalah komplikasi yang paling sering terjadi pada analgesia spinal. khususnya pada pasien obstetrik. Hipotensi terjadi karena blok simpatis. Salab satu cara untuk menurunkan insiden hipotensi adalah dengan menurunkan dosis obat analgetika lokal dan kombinasi dengan opioid untuk analgesia infra dan postoperatif. Fentanil intratekal memiliki rnula kerja yang lebih cepat dibanding morfin dan memberikan analgesia postoperatif yang cukup singkat. Intratekal fentanil menurunkan ketidaknyarnanan ibu intraoperatif saat penarikan peritonium atau manipulasi uterus.Metode : 86 ibu hamil yang akan menjalani operasi bedah sesar elektif maupun darurat dibagi secara random dalam 2 kelompok. Kelompok I diberikan 10 mg bupivakain 0.5;o hiperbarik plus 12,5 gig fentanil dan Kelompok 11 diberikan 12,5 mg bupivakain 0.5% hiperbarik. Tinggi hambatan maksimal, masa kerja dan masa pulih sensori diuji menggunakan uji pin-prick. Mula kerja, mass kerja dan masa pulih motorik dinilai dengan skala Modifikasi Bromage. Tekanan darah, frekuensi denyut nadi dan frekuensi nafas dicatat setiap 2 menit dalam 20 menit pertama. Insiden hipotensi. mual muntah_ pruritus dan depresi nafas dicatat.Hasi1 : Data demografik dan data dasar tidak berbeda bermakna. Insiden hipotensi tidak berbeda bermakna antara kelompok fentanil dan kontrol (39,5% banding 48.8%;p>0.05). Median tinggi maksimal blok sensori tidak berbeda bermakna antara kedua kelompok (T5: p>0.05). Masa kerja dan masa pulih hambatan sensori Iebih lama pada kelompok fentanil dibanding kontrol (104,21±29,199 vs 72,60±19,538 menit; 153.21±30.671 vs 124,88±21,001 menu ; p<0.05). Masa kerja dan masa pulih hambatan motorik lebih singkat pada kelompok fentanil dibanding kontrol (99.44120.466 vs 65.95=17.845 menit ; 49.60±18.611 vs 114.14±11.823 menit : p<0,05). Insiden muai muntah tidak berbeda bermakna antara kedua kelompok. Tidak ada pasien pada kedua kelompok mengalami insiden depresi nafas. Insiden pruritus berbeda bermakna (p>0,05).Kesimpulan : Insiden hipotensi tidak berbeda bermakna antara kedua kelompok. Dosis bupivakain yang lebih rendah akan menyebabkan masa kerja blok motorik lebih singkat tanpa berpengaruh pada blok sensori. Penambahan fentanil- intratekai _akan memperpanjang masa kerja hambatan sensori. Insiden pruritus berbeda bermakna pada kelompok fentanil jika dibandingkan dengan kelompok bupivakain.
Backgrounds : Hypotension was the most common complication ,franc spinal analgesia. especially in obstetric patients. Hypotension developed because of svmpatlretic blockade. One method to reduced hi pnten.vwn incidence in caesarean .section was two reduced the doses of local atutlge& drugs and combined with opioul for infra and post operative analgesia. hrtratltecal lipophilic opioid had faster onset of sensory blockade than nrorfne and produced a brief post operative analgesia. Intrathecal feuitanvl decreased maternal discomfort intraoperatively when peritoneum pulled or uterus exrerioration.Methods : 86 parturients undergoing elective or emergency cesarean section were randomized into one of 2 groups. In group I, spinal analgesia bras performed with 111 mg 0,5% hyperbaric hupivacaine plus /2,5 pg fenianyl and in Group 11 with 12,5 mg 0,5% hyperbaric hupiracain. the max/man season. blockade, duration of analgesia and recovery time were test using pin-prick test. Onset, duration and recovery of motor block were assessed using modified 1lromage scale. Blood pressure. heart rate and respiration rare were recorded even' 2 minute in f rst 20 minutes. The incidence of hypotension, nausea vomiting. pruritus and respiratory depression were recorded.Results : "There were no significant differences in demographic and baseline value. Incidence of hypotension did not significantly different between fentanyl group and control (39,5% versus 48,8%: p-° 0.115). Tire median maximum block height did not significantly different between two groups (75 ; p 0.05). Duration of analgesia and sensory recovery time was significantly longer in fentonvl group compared to control (104,21-29.199 vs 72.60=19,538 minute 153,21=30.67I vs 124,88=21,001 minute : p<0,05). Onset of motor blockade did not significantly different between two groups. Duration and recovery time of motor blockade was more, shorter in fentanyl group compared to control (99,44=20,466 vs 65,95=17,845 minute ; 49,60,18,611 vs 114,14 -11.823 minute p<0,05). Incidence of nausea and vomiting did not significantly different between two groups. None of the patient in hnt11 groups had respiratory depression episode. Pruritus incidence significantly different (p. (1,05).Conclusion : Incidence of hypotension did not significantly different between two groups. Smaller doses of bupivacaine results--more shorter time of-motor-blockade with no effect on sensory block. Adding fenianyl intrathecally will prolong the duration of analgesia. Pruritus incidence signifcanl/y different with intrathecal fentanyl when compared with bupivacaine alone. |
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