• 제목/요약/키워드: acidosis

검색결과 283건 처리시간 0.026초

원위 신세뇨관성 산증에 합병된 급성 주기성 저칼륨혈증 마비 1례 (Distal Renal Tubular Acidosis Complicated with Periodic Hypokalemic Paralysis)

  • 박지민;노병호;신재일;김명준;이재승
    • Childhood Kidney Diseases
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    • 제8권1호
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    • pp.63-67
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    • 2004
  • 저자들은 생후 2개월에 신석회화증, 원위 신세뇨관성 산증을 진단받고 지속적인 외래 추적 관찰을 하고 있는 여아에서 급성 저칼륨혈증 주기성 마비를 진단하였기에 문헌 고찰과 함께 보고하는 바이다.

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흰쥐의 적출한 위(胃)에서 산증(酸症)과 Prostaglandin $E_1$이 위산(胃酸) 분비에 미치는 영향 (Effect of Acidosis and Prostaglandin $E_1$ upon Acid Secretion in Isolated Whole Stomach in Rat)

  • 김철;김정진;박형진
    • The Korean Journal of Physiology
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    • 제14권2호
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    • pp.17-20
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    • 1980
  • This study was undertaken to investigate the effect of the acidosis on the gastric acid secretion in the isolated whole stomach of the rat and the effect of prostaglandin $E_1$ on the gastric acid secretion influenced by the acidosis. Twenty-two male albino rats(Sprague-Dawley strain) were used. The isolated whole stomach from each rat was introduced into the Kreb's solution which was continuously gassed with $95%O_2-5%CO_2$ for 1 hour, after irrigation of the lumen with cold physiological saline$(4^{\circ}C)$. Thereafter, each stomach was irrigated again with 5% dextrose solution (pH 7.4, $37^{\circ}C$), and filled with the dextrose solution. All the stomachs with the dextrose solution were divided into 4 groups according to the Kreb's solutions in which each stomach was incubated for 30 min: 1) control group, in the pH 7.4 solution, 2) $PGE_1$ group, in the pH 7.4 solution containing $5\;{\mu}g/ml$ of $PGE_1$, 3) acid group, in the pH 7.0 solution, and 4) $acid+PGE_1$ group, in the pH 7.0 solution containing $5\;{\mu}g/ml$ of $PGE_1$. After incubatory period, the contents of each stomach were collected and centrifuged(1,500 rpm, room temperature) for 15 min. The acid output in the supernatant was determined with 0.012 N NaOH by means of autotitrator(Dosimat, Metrohm Herisau Co.) at pH 7.4. Results obtained were as follows: 1) The acid output of the acid group increased significantly in comparison with the control value. 2) The acid output of the $acid+PGE_1$ group decreased significantly in comparison with the acid group. It is inferred from the above results that the acidosis facilitates the gastric acid secretion and $PGE_1$ inhibits the gastric acid secretion induced by the acidosis.

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Renal Tubular Acidosis in Cadmium-Intoxicated Rats

  • Ahn, Do-Whan;Kim, Kyoung-Ryong;Choi, Jang-Kyu;Park, Yang-Saeng
    • The Korean Journal of Physiology and Pharmacology
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    • 제6권1호
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    • pp.41-46
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    • 2002
  • Effect of cadmium (Cd) intoxication on renal acid-base regulation was studied in adult male Sprague-Dawley rats. Cd intoxication was induced by subcutaneous injections of $CdCl_2$ at a dose of 2 mg Cd/kg/day for $3{\sim}4$ weeks. In Cd-intoxicated animals, arterial pH, $PCO_2$ and plasma bicarbonate concentration decreased, showing a metabolic acidosis. Urine pH and urinary bicarbonate excretion increased and titratable acid excretion decreased with no change in ammonium excretion. In renal cortical brush-border membrane vesicles derived from Cd-exposed animals, the $Na^+/H^+$ antiporter activity was significantly attenuated. These results indicate that chronic exposures to Cd impair the proximal tubular mechanism for $H^+$ secretion (i.e., $Na^+/H^+$ antiport), leading to a metabolic acidosis.

체질에 따른 산.염기평형과 전기자극에 의한 맥박수 및 체액전해질의 변동에 관한 실험적 고찰 (Experimental Study of Acid-Base Balance and Variations of Heart Rate, Fluid and Electrolyte by Electrical Stimulation according to the Physical Constitutions)

  • 조봉관;배종일
    • 대한의용생체공학회:의공학회지
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    • 제14권4호
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    • pp.349-354
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    • 1993
  • To investigate the relations between the physical constitutions, the acid-base balance, and the autonomic nervous function, the blood gas, the heart rate and the concentrations of Na, K of serum were measured pre-and poststimulation. As the result, it is shown that in the normal condition the macro-negative(strong liver- weak lung type) is the metabolic alkalosis, the macro-positive (strong lung-weak liver type) is the metabolic acidosis, the micro-negative(strong kidney-weak spleen type) is the alkalosis and the micro-positive (strong spleen-weak kidney type) is the acidosis. And the ntacro-positive and micro-positive are the sympathetic lead, the macro-negative and micro-negative are the parasympathetic lead. In the macro-positive and micro-positive subjects, the concentration of K in serum is relatively high. This si coincided with the acidosis. But in the macro-negative and micro-negative subjects, the concentration of K in serum is relatively low. This is coincided with the alkalosis.

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대사성 산증 및 알칼리증에 있어서 SCN 공간의 변화 (Variations of SCN Space in Metabolic Acidosis and Alkalosis in Rabbits)

  • 엄륭의;남기용
    • The Korean Journal of Physiology
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    • 제5권2호
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    • pp.41-44
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    • 1971
  • Thiocyanate space was determined in 23 bilaterally nephrectomized rabbits in acute metabolic acidosis and alkalosis. Acid-base disturbances were induced by the infusion of 0.3 N HCI or 0.3 N NaOH solution intravenously with the rate of 1 ml/min for 40 to 60 minutes. The blood pressure was monitored throughout the experiment and no changes in blood pressure was confirmed. The following results were obtained. 1. In the saline infused control rabbits, PH was 7.385 with negligible change in pH after the infusion, SCN space was 23.6% of body weight. 2. In the metabolic acidosis group, pH dropped from 7.417 to 7 130 and SCN space was 22.8% of body weight and suggested a negligible change in the extracellular space volume. 3. In the metabolic alkalosis group, pH increased from 7.393 to 7.478 and SCN space was 25.7% of body weight which confirmed a significant increase in the extracellular space volume.

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방글라데시 염소에서 유산증의 분포 및 4가지 치료법의 임상적 적용 (Prevalence of Ruminal Lactic Acidosis and Clinical Assessments of Four Therapeutics in Goats of Bangladesh)

  • ;;;;유명조
    • 한국임상수의학회지
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    • 제31권3호
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    • pp.199-205
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    • 2014
  • 쉽게 발효되는 탄수화물의 과도한 양의 섭취에 따른 급성 또는 만성의 산증은 방글라데시에서 염소의 생산성 문제로 나타나고 있다. 본 연구는 유산증의 분포와 다른 치료제간의 반응을 조사하였다. 본 연구를 위해, 야외 지역 동물 병원, Faridpur, Bangladseh에서 조사 한 1,128마리의 염소가 검사 되었으며, 그 중 40마리의 염소(3.55%의 분포율)가 유산증에 대해 양성으로 확인되었다. 토종 염소 (2.7%)에서는 3 년 이상된 연령(4.64%)의 암컷 (4.64%)에서 가장 높은 발병을 보였다. 40마리 염소의 치료 평가를 위해서 염소는 그룹당 10마리씩 4개의 그룹 A, B, C와 D로 분류 하였다. 그룹A는 경구, 8% 수산화 마그네슘(v/w)을 체중 1 g/kg으로 경구 투여 하였다. 그룹 B에서는 그룹 A와 같은 량의 8% 수산화 마그네슘에 더하여 체중 0.9 ml/kg 비율로 7.5%의 중탄산 나트륨을 정맥 내 투여 하였다. 그룹 D에서 염소는 생강, nuxvomica, 탄산나트륨, 황산 코발트, 분말 형태의 황산제1철 과 티아민 질산염의 혼합물을 1 g/kg 체중의 비율로 경구 투여하였다. 그룹 C의 염소는 그룹 A, B와 D의 조합 약물로 치료하였다. 각 그룹은 치료 전후에 직장 온도, 맥박수, 호흡 수를 검사하였다. 평균 $21{\pm}1.8$ 시간으로 그룹 C가 가장 높은 회복률을 보였다. 결론적으로 유산증은 염소에서 흔한 질병이며 치료효과는 약물의 조합을 통해서 효과적으로 증상을 감소 시킬 수 있었다.

Atypical Radiologic Manifestation of NARP Mimicking MELAS: a Case Report

  • Lee, Youdae;Lee, Donghoon;Hwang, Hokyeong
    • Investigative Magnetic Resonance Imaging
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    • 제22권2호
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    • pp.119-122
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    • 2018
  • Neurogenic weakness, ataxia and retinitis pigmentosa (NARP) syndrome is a rare maternally inherited mitochondrial disorder. Radiologic findings in NARP syndrome are varied; they include cerebral and cerebellar atrophy, basal ganglia abnormalities, and on rare occasions, leukoencephalopathy. This article describes an extremely rare case of NARP syndrome mimicking mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS).

혈액투석 환자에서 메트포르민 복용으로 발생한 급성췌장염과 젖산산증 (Metformin induced acute pancreatitis and lactic acidosis in a patient on hemodialysis)

  • 이연경;임기현;황수현;안영환;신규태;김흥수;박인휘
    • Journal of Yeungnam Medical Science
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    • 제33권1호
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    • pp.33-36
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    • 2016
  • Metformin, commonly prescribed for type 2 diabetes, is considered safe with minimal side-effect. Acute pancreatitis is rare but potentially fatal adverse side-effect of metformin. We report a patient on hemodialysis with metformin-related acute pancreatitis and lactic acidosis. A 62-year-old woman with diabetic nephropathy and hypertension presented with nausea and vomiting for a few weeks, followed by epigastric pain. At home, the therapy of 500 mg/day metformin and 50 mg/day sitagliptin was continued, despite symptoms. Laboratory investigations showed metabolic acidosis with high levels of lactate, amylase at 520 U/L (range, 30-110 U/L), and lipase at 1,250 U/L (range, 23-300 U/L). Acute pancreatitis was confirmed by computed tomography. No recognized cause of acute pancreatitis was identified. Metformin was discontinued. Treatment with insulin and intravenous fluids resulted in normalized amylase, lipase, and lactate. When she was re-exposed to sitagliptin, no symptoms were reported.