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The hemodialysis catheter conundrum: hate living with them, but can't live without them.

BACKGROUND: Hemodialysis requires reliable recurrent access to the circulation. On a chronic basis, this has been best provided by the use of arteriovenous fistulae and arteriovenous grafts. In recent years, hemodialysis catheters have come to play an increasingly important role in the delivery of hemodialysis. The use of both temporary as well as cuffed hemodialysis catheters has emerged as a significant boon for both patients and practicing nephrologists. The complications, however, associated with each of these hemodialysis catheters, both in terms of anatomic, thrombotic, and infectious issues, have emerged as a major problem with their continued use. This significant morbidity and complication rate has forced many nephrologists to face a basic conundrum: they have come to hate having to deal with the problems inherent in catheter usage, but the enormous utility of these devices have forced physicians to accept the fact they cannot live without them in their current practice. METHODS: We used a comprehensive literature review to describe the types, use and dilemmas of hemodialysis catheters. RESULTS: This article provides a comprehensive review of both the benefits inherent with the use of these hemodialysis catheters while cataloging their complications and offering some possible solutions. CONCLUSION: Hemodialysis vascular access catheters are essential in the maintenance of hemodialysis vascular access. However, they have a significant infectious, thrombotic, anatomic complication rate that are detailed with proposed problem-solving guidelines.

Catheters, Indwelling↗

Dentist and laboratory: a "love-hate" relationship.

The author's intent has been to promote a close working relationship between the dentist and the technician. Certainly, McCracken was doing that when he said that he hoped they could "work together in proper sequence to develop restorations that are biologically and mechanically sound and to produce removable partial dentures that reflect continuous progress in prosthetic dentistry". That's the secret. The dentist and the technician should work together and in proper sequence. Too often dental education and the dental profession have seemed to espouse the idea that the technician must function as an automaton in the fabrication of removable partial dentures. The practitioner of general dentistry can certainly ask for ideas and suggestions from the technician and still control the ultimate outcome. The dentist can share thoughts with the technician to ameliorate the "love-hate" relationship and still be responsible for the removable partial denture treatment.

Communication↗

Prisoners of hate.

The terrorist attacks in New York and Washington, D.C. on September 11, 2001 as well as domestic terrorism in the United States and elsewhere in the world has prompted an analysis of the psychology of the terrorist. The perpetrators' profound sense of being wronged--their values undermined by foreign powers or a corrupt domestic power structure--has cried out for revolution and revenge. The fanatic ideology of the perpetrators has provided the matrix for a progressively more malevolent representation of the oppressors: the Image of the Enemy. Retribution against the Enemy in the form of mass murder of anonymous civilians becomes an imperative. The counterpart of the image of the Enemy is the idealized collective self-image of members of the movement, faction, or cult. The group narcissism of the white supremacists in the United States, the Aum Shinrikyo in Japan, and the Islamic extremists enhance their collective self-image as pure, righteous, and united. While the foot soldiers, as in any war, gain glory through martyrdom, the instigators and leaders have their own personal narcissistic goals (power and prestige) and plan. For the extremist Islamists the ultimate goal has been overthrow of the moderate Islamic governments; for the domestic terrorists, destabilization of the national government and reinstitution of the traditional values.

Anger↗

Threatened egotism, narcissism, self-esteem, and direct and displaced aggression: does self-love or self-hate lead to violence?

It has been widely asserted that low self-esteem causes violence, but laboratory evidence is lacking, and some contrary observations have characterized aggressors as having favorable self-opinions. In 2 studies, both simple self-esteem and narcissism were measured, and then individual participants were given an opportunity to aggress against someone who had insulted them or praised them or against an innocent third person. Self-esteem proved irrelevant to aggression. The combination of narcissism and insult led to exceptionally high levels of aggression toward the source of the insult. Neither form of self-regard affected displaced aggression, which was low in general. These findings contradict the popular view that low self-esteem causes aggression and point instead toward threatened egotism as an important cause.

Adolescent↗

Loving, hating, vacillating: Agreeableness, implicit self-esteem, and neurotic conflict.

An implicit preference for the self over others may be beneficial when pursuing one's own desires but costly when adjusting the self to the desires of others. On the basis of this reasoning, the authors hypothesized that Agreeableness and implicit self-esteem would interact in predicting measures of neurotic distress. Three studies and one meta-analysis, involving 235 undergraduate participants, confirmed that high levels of implicit self-esteem were beneficial (i.e., less neurotic distress) within the context of low levels of Agreeableness but costly (i.e., more neurotic distress) within the context of high levels of Agreeableness. Because findings were robust across various measures of Agreeableness, implicit self-esteem, and neurotic distress, the interpersonal principles examined here appear to have broad relevance for understanding this particular form of intrapsychic conflict and its manifestation in neurotic distress. Results therefore support Horney's (1945) theory concerning the consequences of intrapsychic conflicts related to interpersonal motivation and cognition.

Adult↗