Ivar Ringqvist

Summary

Affiliation: Central Hospital
Country: Sweden

Publications

  1. ncbi request reprint [The first successful blood transfer in Sweden: Father's blood saved son's life]
    Stellan Hagman
    Hudiksvalls sjukhus
    Lakartidningen 102:782. 2005
  2. ncbi request reprint 4-year follow-up of treatment with dental appliance or uvulopalatopharyngoplasty in patients with obstructive sleep apnea: a randomized study
    Marie Louise Walker-Engström
    Center for Clinical Research, Central Hospital, Vasteras, Uppsala University, Sweden
    Chest 121:739-46. 2002
  3. ncbi request reprint Dental and skeletal changes after 4 years of obstructive sleep apnea treatment with a mandibular advancement device: a prospective, randomized study
    Margareta Ringqvist
    Associate professor of clinical orthodontics, Centre for Clinical Research, Central Hospital, Uppsala University, Vasteras, Sweden
    Am J Orthod Dentofacial Orthop 124:53-60. 2003
  4. ncbi request reprint A prospective randomized study comparing two different degrees of mandibular advancement with a dental appliance in treatment of severe obstructive sleep apnea
    Marie Louise Walker-Engström
    Centre for Clinical Research, Central Hospital, Västerå, Sweden
    Sleep Breath 7:119-30. 2003
  5. ncbi request reprint Social background, aspects of lifestyle, body image, relations, school situation, and somatic and psychological symptoms in obese and overweight 15-year-old boys in a county in Sweden
    Inga Märit Berg
    Department of Community Medicine, County Council of Västmanland, Vasteras, Sweden
    Scand J Prim Health Care 23:95-101. 2005
  6. ncbi request reprint Electrocardiogram and B-type natriuretic peptide as screening tools for left ventricular systolic dysfunction in a population-based sample of 75-year-old men and women
    Pär Hedberg
    Department of Clinical Physiology, Central Hospital, Vasteras, Sweden
    Am Heart J 148:524-9. 2004
  7. ncbi request reprint Accuracy of spectral Doppler flow and tissue velocity measurements in ultrasound systems
    Andrew Walker
    Department Clinical Physiology, Central Hospital, Vasteras, Sweden
    Ultrasound Med Biol 30:127-32. 2004
  8. ncbi request reprint Effect of right atrial overdrive pacing in the prevention of symptomatic paroxysmal atrial fibrillation: a multicenter randomized study, the PAF-PACE study
    Stefan Wiberg
    Department of Medicine, Central Hospital, Vasteras, Sweden
    Pacing Clin Electrophysiol 26:1841-8. 2003
  9. ncbi request reprint Mitral annulus motion compared with wall motion scoring index in the assessment of left ventricular ejection fraction
    Pär Hedberg
    Department of Clinical Physiology, Division of Cardiology, University of Uppsala, Central Hospital, Vasteras, Sweden
    J Am Soc Echocardiogr 16:622-9. 2003
  10. ncbi request reprint Time delays in ultrasound systems can result in fallacious measurements
    Andrew Walker
    Department of Clinical Physiology, Central Hospital, Vasteras, Sweden
    Ultrasound Med Biol 28:259-63. 2002

Collaborators

Detail Information

Publications14

  1. ncbi request reprint [The first successful blood transfer in Sweden: Father's blood saved son's life]
    Stellan Hagman
    Hudiksvalls sjukhus
    Lakartidningen 102:782. 2005
  2. ncbi request reprint 4-year follow-up of treatment with dental appliance or uvulopalatopharyngoplasty in patients with obstructive sleep apnea: a randomized study
    Marie Louise Walker-Engström
    Center for Clinical Research, Central Hospital, Vasteras, Uppsala University, Sweden
    Chest 121:739-46. 2002
    ....
  3. ncbi request reprint Dental and skeletal changes after 4 years of obstructive sleep apnea treatment with a mandibular advancement device: a prospective, randomized study
    Margareta Ringqvist
    Associate professor of clinical orthodontics, Centre for Clinical Research, Central Hospital, Uppsala University, Vasteras, Sweden
    Am J Orthod Dentofacial Orthop 124:53-60. 2003
    ..Treatment of OSA with a dental appliance is probably a lifelong process, and long-term follow-up studies should therefore be undertaken to control both the treatment effect on OSA and the side effects on the masticatory system...
  4. ncbi request reprint A prospective randomized study comparing two different degrees of mandibular advancement with a dental appliance in treatment of severe obstructive sleep apnea
    Marie Louise Walker-Engström
    Centre for Clinical Research, Central Hospital, Västerå, Sweden
    Sleep Breath 7:119-30. 2003
    ..6 at baseline to 8.0 at follow-up (p < 0.001). No significant difference was observed between the two groups. The results indicate that a dental appliance could be an alternative treatment for some patients with severe OSA...
  5. ncbi request reprint Social background, aspects of lifestyle, body image, relations, school situation, and somatic and psychological symptoms in obese and overweight 15-year-old boys in a county in Sweden
    Inga Märit Berg
    Department of Community Medicine, County Council of Västmanland, Vasteras, Sweden
    Scand J Prim Health Care 23:95-101. 2005
    ..To compare lifestyle and health aspects among obese, overweight, and normal-weight 15-year-old boys living in the county of Västmanland, Sweden...
  6. ncbi request reprint Electrocardiogram and B-type natriuretic peptide as screening tools for left ventricular systolic dysfunction in a population-based sample of 75-year-old men and women
    Pär Hedberg
    Department of Clinical Physiology, Central Hospital, Vasteras, Sweden
    Am Heart J 148:524-9. 2004
    ..We aimed to evaluate the 12-lead ECG and BNP as screening tools for left ventricular systolic dysfunction in an elderly, unselected population...
  7. ncbi request reprint Accuracy of spectral Doppler flow and tissue velocity measurements in ultrasound systems
    Andrew Walker
    Department Clinical Physiology, Central Hospital, Vasteras, Sweden
    Ultrasound Med Biol 30:127-32. 2004
    ..One system consistently overestimated velocity by about 5%, whereas the other two systems were quite accurate in velocity estimation. These findings emphasize the importance of continuous quality control of US equipment...
  8. ncbi request reprint Effect of right atrial overdrive pacing in the prevention of symptomatic paroxysmal atrial fibrillation: a multicenter randomized study, the PAF-PACE study
    Stefan Wiberg
    Department of Medicine, Central Hospital, Vasteras, Sweden
    Pacing Clin Electrophysiol 26:1841-8. 2003
    ..Right atrial overdrive pacing can reduce the number of symptomatic PAF episodes in patients with frequent and drug refractory PAF but without bradyarrhythmias...
  9. ncbi request reprint Mitral annulus motion compared with wall motion scoring index in the assessment of left ventricular ejection fraction
    Pär Hedberg
    Department of Clinical Physiology, Division of Cardiology, University of Uppsala, Central Hospital, Vasteras, Sweden
    J Am Soc Echocardiogr 16:622-9. 2003
    ..017-0.069). In conclusion, the ability of WMI to estimate LVEF was more favorable than MAM in this population-based sample of 75-year-old participants. The findings suggest that the WMI is preferable to MAM in estimating LVEF...
  10. ncbi request reprint Time delays in ultrasound systems can result in fallacious measurements
    Andrew Walker
    Department of Clinical Physiology, Central Hospital, Vasteras, Sweden
    Ultrasound Med Biol 28:259-63. 2002
    ..The time delays varied relative to system settings. Consequently, to avoid these errors, precise knowledge of the characteristics of the system being used is essential...
  11. ncbi request reprint Mitral annulus motion as a predictor of mortality in a community-based sample of 75-year-old men and women
    Pär Hedberg
    Department of Clinical Physiology, Central Hospital, Vasteras, Sweden
    J Am Soc Echocardiogr 19:88-94. 2006
    ..MAM may prove to be a valuable complement to other echocardiographic methods in the assessment of prognosis in less selected populations...
  12. doi request reprint A rotating cylinder phantom for flow and tissue color Doppler testing
    Andrew Walker
    Department of Clinical Physiology, Central Hospital, S 72189 Västerås, Sweden
    Ultrasound Med Biol 35:1892-8. 2009
    ..Our investigation shows that the cylinder phantom is especially suitable for timing measurements in 2D Doppler imaging and that time delays between the Doppler signals and the ECG signal exist in the tested ultrasound system...
  13. ncbi request reprint Two different training programmes for patients with COPD: a randomised study with 1-year follow-up
    R Harpa Arnardóttir
    Department of Medical sciences Respiratory Medicine and Allergology, Ing 40, 2 tr, Akademiska sjukhuset, Uppsala University, SE 751 85 Uppsala, Sweden
    Respir Med 100:130-9. 2006
    ..A second purpose was to find out whether the severity of chronic obstructive pulmonary disease (COPD) affected the training response and whether the interventions had a long-term effect...
  14. ncbi request reprint Echocardiographic Doppler assessments of left ventricular filling and ejection during upright exercise in endurance athletes
    Milena Sundstedt
    Department of Clinical Physiology and Centre of Clinical Research, Uppsala University, Central Hospital, Vasteras, Sweden
    Clin Physiol Funct Imaging 27:36-41. 2007
    ..This study demonstrates large changes in diastolic filling indices during upright exercise and it shows that the heart is able to increase its filling rate five times from rest to peak exercise...