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Showing 3 results for Acidosis
Transient pseudohypoaldosteronism and urinary tract infection: A case report
A Tajeddini , F Nily ,
Volume 57, Issue 3 (6-1999)
Abstract

A 43-day old infant with myelomeningocele was evaluated for feeding problems and ill appearance. The presence of metabolic acidosis, hyponatermia and hypercalemia suggested renal tubular acidosis type IV. Later examination showed urinary tract infection together with bilateral vesicoureteral reflux. After treatment of the infection, metabolic acidosis and electrolyte imbalances were resolved and the diagnosis of pseudohypoaldosteronism was confirmed.


Comparison of pulseoximetry oxygen saturation and arterial oxygen saturation in open heart intensive care unit
Alireza Mahoori , Ebrahim Hassani , Heydar Noroozinia , Behzad Sinaei , Elham Esmaeili ,
Volume 71, Issue 5 (8-2013)
Abstract
Background: Pulseoximetry is widely used in the critical care setting, currently used to guide therapeutic interventions. Few studies have evaluated the accuracy of SPO2 (puls-eoximetry oxygen saturation) in intensive care unit after cardiac surgery. Our objective was to compare pulseoximetry with arterial oxygen saturation (SaO2) during clinical routine in such patients, and to examine the effect of mild acidosis on this relationship.
Methods: In an observational prospective study 80 patients were evaluated in intensive care unit after cardiac surgery. SPO2 was recorded and compared with SaO2 obtained by blood gas analysis. One or serial arterial blood gas analyses (ABGs) were performed via a radial artery line while a reliable pulseoximeter signal was present. One hundred thirty seven samples were collected and for each blood gas analyses, SaO2 and SPO2 we recorded.
Results: O2 saturation as a marker of peripheral perfusion was measured by Pulseoxim-etry (SPO2). The mean difference between arterial oxygen saturation and pulseoximetry oxygen saturation was 0.12%±1.6%. A total of 137 paired readings demonstrated good correlation (r=0.754 P<0.0001) between changes in SPO2 and those in SaO2 in samples with normal hemoglobin. Also in forty seven samples with mild acidosis, paired readings demonstrated good correlation (r=0.799 P<0.0001) and the mean difference between SaO2 and SPO2 was 0.05%±1.5%.
Conclusion: Data showed that in patients with stable hemodynamic and good signal quality, changes in pulseoximetry oxygen saturation reliably predict equivalent changes in arterial oxygen saturation. Mild acidosis doesn’t alter the relation between SPO2 and SaO2 to any clinically important extent. In conclusion, the pulse oximeter is useful to monitor oxygen saturation in patients with stable hemodynamic.

Study of the relationship between acidosis and coagulation disorders in patients undergoing laparotomy admitted to the intensive care unit
Reza Baghbanian, Shirin Azizidoost , Kamran Mahmoodi , Mahbobeh Rashidi , Golshan Mirmomeni, Sina Ganji Nataj ,
Volume 82, Issue 12 (3-2025)
Abstract
Background: Coagulopathy is one of the most common causes of mortality in the intensive care unit. This study was designed and implemented to investigate the relationship between acidosis and coagulation disorders in patients undergoing laparotomy in the intensive care unit.
Methods: This retrospective study reviewed the files of 121 patients undergoing laparotomy in the intensive care unit of Imam Khomeini Hospital of Ahvaz during 2024. Demographic and clinical records and blood test results were extracted to measure parameters related to acidosis and coagulation tests. Then, the rates of coagulopathy, thrombocytopenia, acidosis, and patient outcome were calculated. The data obtained were analyzed using SPSS version 27 software.
Results: Most patients studied were male (72 (59.5%)) with a mean age of 54.18±21.1 years and a mean length of stay of 6.78±5.87 days. Hypertension (34 (28.1%)) was the most important comorbidity and peritonitis (54 (44.6%)) was the most important cause of hospitalization. The incidence rates of coagulopathy, thrombocytopenia, and acidosis were reported to be 29 (24%), 27 (22.3%) and 115 (95%), respectively. A total of 44 (36.5%) patients died during the study period. Although the rates of coagulopathy and thrombocytopenia were higher in patients with acidosis, these differences were not significant (P<0.05). The mortality rates among those without thrombocytopenia, mild, moderate, and severe thrombocytopenia were reported as 27 (28.7%), 4 (33.3%), 9 (81.1%), and 4 (100%), respectively, showing a significant difference (P=0.001). The mean pH in deceased patients was significantly lower than in others (0.13±7.19 vs. 0.88±7.25; P=0.005). The mortality rate in patients with coagulopathy was also significantly higher than in others (20 (69%) vs.24 (26.4%); P=0.000).
Conclusion: The incidence of acidosis and coagulation disorders in patients undergoing laparotomy and admitted to the intensive care unit is significant and is linked to poorer outcomes for these patients. However, acidosis was not found to be an independent risk factor for coagulation disorders in this population. Further research is necessary to confirm or refute these findings.

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